Hagia Sophia (English Wikipedia)

Admin (11 September 2020). "Architectural Adventure of Hagia Sophia". Architecture News. Archived from the original on 29 July 2021. Retrieved 29 July 2021.

archive.org

Mango, Cyril A. (1986). The Art of the Byzantine Empire 312-1453: Sources and documents. Internet Archive. Toronto; London: University of Toronto Press/Medieval Academy of America. ISBN 978-0-8020-6627-5.
Teteriatnikov, Natalia (1998). Mosaics of Hagia Sophia, Istanbul: The Fossati restoration and the work of the Byzantine Institute. Dumbarton Oaks. Washington, DC: Dumbarton Oaks, Trustees for Harvard University. p. 17.
Mango, Cyril (1985). Byzantine Architecture (1st ed.). New York: Electa/Rizzoli. p. 65. ISBN 978-0-8478-0615-7.
Tafur, Pero (1926). Travels and Adventures, 1435–1439. Trans. M. Letts. London: G. Routledge. pp. 138–48.

archnet.org

"Hagia Sophia". ArchNet. Archived from the original on 5 January 2009.

armenianchurch.org

"The Reflections of His Holiness Karekin II, Catholicos of All Armenians; on the Decision of the Turkish Authorities to turn the Hagia Sophia Cathedral-Museum into a Mosque". armenianchurch.org. Mother See of Holy Etchmiadzin. 14 July 2020. Archived from the original on 25 February 2021.

armenianweekly.com

Calian, Florin George (25 March 2021). "The Hagia Sophia and Turkey's Neo-Ottomanism". The Armenian Weekly. Retrieved 14 April 2021.

arte.tv

"Monuments éternels". Programmes ARTE. 21 September 2014. Archived from the original on 5 May 2015.

ayasofyamuzesi.gov.tr

"Buttresses | Hagia Sophia Museum". ayasofyamuzesi.gov.tr. Directorate of Hagia Sophia Museum. Archived from the original on 28 August 2019. Retrieved 18 April 2017.
"Minarets | Hagia Sophia Museum". Archived from the original on 30 March 2019. Retrieved 20 November 2017.
""The Nice Door." The nice door, Hagia Sophia Museum". Archived from the original on 29 December 2018. Retrieved 19 November 2017.
""The Emperor Door." The Emperor Door, Hagia Sophia Museum". Archived from the original on 30 December 2018. Retrieved 15 July 2020.
"Dome Angel Figures". Hagia Sophia Museum. Archived from the original on 11 January 2019. (archived).

bbc.com

"Turkey turns iconic Istanbul museum into mosque". BBC News. 10 July 2020. Retrieved 11 July 2020.
"Hagia Sophia opens to Muslims for Friday prayers". BBC News. 24 July 2020. Retrieved 24 July 2020.
"First Friday prayers at Hagia Sophia for 86 years". BBC News. 24 July 2020. Retrieved 25 July 2020.
"Church body wants Hagia Sophia decision reversed". BBC News. 11 July 2020. Retrieved 13 July 2020.
"Pope 'pained' by Hagia Sophia mosque decision". BBC News. 12 July 2020. Retrieved 13 July 2020.

bloomberg.com

Stearns, Jonathan (13 July 2020). "EU Urges Turkey to 'Reverse' Hagia Sophia Reconversion Plan". Bloomberg. Retrieved 17 July 2020.

books.google.com

Binns, John (2002). An Introduction to the Christian Orthodox Churches. Cambridge University Press. p. 57. ISBN 978-0-521-66738-8.
McKenzie, Steven L.; Graham, Matt Patrick (1998). The Hebrew Bible Today: An Introduction to Critical Issues. Westminster John Knox Press. p. 149. ISBN 978-0-664-25652-4.
Dark, Ken R.; Kostenec, Jan (2019). Hagia Sophia in Context: An Archaeological Re-examination of the Cathedral of Byzantine Constantinople. Oxford: Oxbow Books. pp. 11–12. ISBN 978-1-78925-030-5.
Mainstone, Rowland J. (1997) [1988]. Hagia Sophia: Architecture, Structure and Liturgy of Justinian's Great Church. London: Thames and Hudson. p. 131. ISBN 978-0-500-27945-8.
Mainstone, Rowland J. (1997) [1988]. Hagia Sophia: Architecture, Structure and Liturgy of Justinian's Great Church. London: Thames and Hudson. p. 132. ISBN 978-0-500-27945-8.
Mainstone, Rowland J. (1997) [1988]. Hagia Sophia: Architecture, Structure and Liturgy of Justinian's Great Church. London: Thames and Hudson. p. 137. ISBN 978-0-500-27945-8.
Dark, Ken R.; Kostenec, Jan (2019). Hagia Sophia in Context: An Archaeological Re-examination of the Cathedral of Byzantine Constantinople. Oxford: Oxbow Books. pp. 12–15. ISBN 978-1-78925-030-5.
Ljudmila Djukic (9 September 2019). "Hagia Sophia (Constantinople)". The Byzantine Empire: A Historical Encyclopedia. Vol. 2. ABC-CLIO. p. 195. ISBN 978-1-4408-5147-6.
Sharon La Boda (1994). International Dictionary of Historic Places: Southern Europe. Taylor & Francis. p. 343. ISBN 978-1-884964-02-2.
Lucien Ellington (2005). Eastern Europe: An Introduction to the People, Lands, and Culture, Volume 1. Abc-Clio. p. 853. ISBN 978-1-57607-800-6.
Dark, Ken R.; Kostenec, Jan (2019). Hagia Sophia in Context: An Archaeological Re-examination of the Cathedral of Byzantine Constantinople. Oxford: Oxbow Books. pp. 15–20. ISBN 978-1-78925-030-5.
Δετοράκης, Θεοχάρης Ε (2004). Αγια Σοφια: ο ναος της Αγιας του Θεου Σοφιας (in Greek). Εκδόσεις Έφεσος. p. 20. ISBN 978-960-8326-14-9.
Mainstone, Rowland J. (1997) [1988]. Hagia Sophia: Architecture, Structure and Liturgy of Justinian's Great Church. London: Thames and Hudson. p. 135. ISBN 978-0-500-27945-8.
Dark, Ken R.; Kostenec, Jan (2019). Hagia Sophia in Context: An Archaeological Re-examination of the Cathedral of Byzantine Constantinople. Oxford: Oxbow Books. p. 46. ISBN 978-1-78925-030-5.
Bell, Peter Neville, ed. (2009). Three political voices from the age of Justinian: Agapetus, 'Advice to the Emperor'; Dialogue on political science; Paul the Silentiary: 'Description of Hagia Sophia'. Liverpool: Liverpool University Press. ISBN 978-1-84631-209-0. OCLC 318874086.
Fennell, John L. (2013) [1995]. A History of the Russian Church to 1488. Routledge. p. 29. ISBN 978-1-317-89720-0.
Niketas Choniates, Annals, XIX. O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. p. 12. ISBN 978-0-8143-1764-8.
Niketas Choniates, Annals, CLVII–CLVIII. O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. pp. 89–90 & 382, notes 434–435. ISBN 978-0-8143-1764-8.
Niketas Choniates, Annals, CCXXX–CCXLII. O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. pp. 129–136. ISBN 978-0-8143-1764-8.
Niketas Choniates, Annals, CCLI–CCLII. O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. pp. xx–xxi, 141. ISBN 978-0-8143-1764-8.
O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. p. 315. ISBN 978-0-8143-1764-8.
O City of Byzantium: Annals of Niketas Choniatēs. Translated by Magoulias, Harry J. Wayne State University Press. 1984. p. 306. ISBN 978-0-8143-1764-8.
Victor Roudometof (15 October 2013). Globalization and Orthodox Christianity: The Transformations of a Religious Tradition. Routledge. p. 47. ISBN 978-1-135-01469-8.
Avner Falk (8 May 2018). Franks and Saracens: Reality and Fantasy in the Crusades. Routledge. p. 164. ISBN 978-0-429-89969-0.
Hamblin, William J. (2008). "Arab perspectives on the Fourth Crusade". In Madden, Thomas F. (ed.). The Fourth Crusade: Event, Aftermath, and Perceptions: Papers from the Sixth Conference of the Society for the Study of the Crusades and the Latin East, Istanbul, Turkey, 25-29 August 2004. Society for the Study of the Crusades and the Latin East. Aldershot: Ashgate Publishing, Ltd. p. 175. ISBN 978-0-7546-6319-5.
A. Edward Siecienski (3 June 2019). Orthodox Christianity: A Very Short Introduction. Oxford University Press. p. 24. ISBN 978-0-19-088329-4.
Philippides, Marios; Hanak, Walter K. (2001). The Siege and the Fall of Constantinople in 1453: Historiography, Topography, and Military Studies. Farnham: Ashgate Publishing, Ltd. p. 228. ISBN 978-1-4094-1064-5.
Philippides, Marios; Hanak, Walter K. (2011). The Siege and the Fall of Constantinople in 1453: Historiography, Topography, and Military Studies. Farnham: Ashgate Publishing, Ltd. pp. 221–223. ISBN 978-1-4094-1064-5.
Philippides, Marios; Hanak, Walter K. (2011). The Siege and the Fall of Constantinople in 1453: Historiography, Topography, and Military Studies. Farnham: Ashgate Publishing, Ltd. pp. 214–217. ISBN 978-1-4094-1064-5.
Philippides, Marios; Hanak, Walter K. (2011). The Siege and the Fall of Constantinople in 1453: Historiography, Topography, and Military Studies. Farnham: Ashgate Publishing, Ltd. pp. 229–230. ISBN 978-1-4094-1064-5.
Runciman, Steven (1965). The Fall of Constantinople 1453. Cambridge University Press. p. 147. ISBN 978-0-521-39832-9.
Runciman, Steven (1965). The Fall of Constantinople 1453. Cambridge University Press. pp. 145–148. ISBN 978-0-521-39832-9.
Nicol, Donald MacGillivray (1979). The End of the Byzantine Empire. London: Edward Arnold. p. 88. ISBN 978-0-7131-6250-9.
Contested Spaces, Common Ground: Space and Power Structures in Contemporary Multireligious Societies. BRILL. 27 October 2016. ISBN 978-90-04-32580-7.
Runciman, Steven (1965). The Fall of Constantinople 1453. Cambridge University Press. p. 149. ISBN 978-0-521-39832-9.
Mungan, I. (2004). Hagia Sophia and Mimar Sinan. Mungan & Wittek (eds); Taylor & Francis Group, London. pp. 383–84. ISBN 978-90-5809-642-5.
Bloom, Jonathan; Blair, Sheila (2009). "Istanbul". Grove Encyclopedia of Islamic Art & Architecture. Oxford University Press USA. p. 324. ISBN 978-0-19-530991-1.
Schibille, Nadine (22 April 2016). Hagia Sophia and the Byzantine Aesthetic Experience. Routledge. ISBN 978-1-317-12415-3.
Dark, Ken R.; Kostenec, Jan (2019). Hagia Sophia in Context: An Archaeological Re-examination of the Cathedral of Byzantine Constantinople. Oxford: Oxbow Books. pp. 69–72. ISBN 978-1-78925-030-5.
Mainstone, Rowland J. (1997). Hagia Sophia: Architecture, Structure, and Liturgy of Justinian's Great Church. Thames and Hudson. p. 81. ISBN 978-0-500-27945-8.
Istanbul City Guide (English). ASBOOK. 2009.
"The Architectural Review". Architectural Press Limited. 15 July 1905. Retrieved 15 July 2020 – via Google Books.
Nelson, Robert S. (2004). Hagia Sophia, 1850–1950: Holy Wisdom Modern Monument. University of Chicago Press. p. 10. ISBN 978-0-226-57171-3.
Parry, Ken (10 May 2010). The Blackwell Companion to Eastern Christianity. John Wiley & Sons. p. 379. ISBN 978-1-4443-3361-9.

brill.com

Opstall, Emilie M. van (28 June 2018). "On the Threshold: Paul the Silentiary's Ekphrasis of Hagia Sophia". Sacred Thresholds: The Door to the Sanctuary in Late Antiquity: 31–65. doi:10.1163/9789004369009_003. ISBN 9789004369009. S2CID 201516637.

britannica.com

"Hagia Sophia". Hagia Sophia | History, Facts, & Significance. Encyclopædia Britannica. 14 August 2023. The original church on the site of the Hagia Sophia is said to have been ordered to be built by Constantine I in 325 on the foundations of a pagan temple.
"Fall of Constantinople". Encyclopædia Britannica.
"pendentive (architecture) – Britannica Online Encyclopedia". Britannica.com. Retrieved 4 December 2011.

campaign-archive.com

us17.campaign-archive.com

"Byzantine News, Issue 33, July 2020". us17.campaign-archive.com. Retrieved 25 July 2020.

ceu.edu

ams.ceu.edu

Kraft, András (2012). "Constantinople in Byzantine Apocalyptic Thought" (PDF). Annual of Medieval Studies at CEU. 18: 25–36. Archived (PDF) from the original on 9 October 2022.

christiantoday.com

"Turkey: Pressure mounts for Hagia Sophia to be converted into mosque". Christian Today. 13 December 2013. Retrieved 24 December 2013.

dailyhellas.com

"UNESCO "halts" Erdogan's plans to turn the Hagia Sophia into Mosque". Daily Hellas. 27 March 2019. Archived from the original on 6 April 2020. Retrieved 10 April 2019.

dailysabah.com

"Court declares Hagia Sophia a 'monument museum'". hurriyetdailynews. 22 November 2016.

degruyter.com

Silentiarius, Paulus (2011). Descriptio Sanctae Sophiae. Descriptio Ambonis. Berlin: De Gruyter. doi:10.1515/9783110239072. ISBN 978-3-11-023907-2.
Mango, Cyril (1954). "Documentary Evidence on the Apse Mosaics of St. Sophia". Byzantinische Zeitschrift. 47 (2): 395–402. doi:10.1515/byzs.1954.47.2.395. ISSN 0007-7704. S2CID 191481936.

doi.org

Emerson, William; van Nice, Robert L. (1950). "Hagia Sophia and the First Minaret Erected after the Conquest of Constantinople". American Journal of Archaeology. 54 (1): 28–40. doi:10.2307/500639. ISSN 0002-9114. JSTOR 500639. S2CID 193099976.
Downey, Glanville (January 1959). "The Name of the Church of St. Sophia in Constantinople". Harvard Theological Review. 52 (1): 37–41. doi:10.1017/s001781600002664x. ISSN 0017-8160. S2CID 163442071.
Gregory, Timothy E. (2005) [1991], Kazhdan, Alexander P. (ed.), "Nestorios", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 1 October 2020
Gregory, Timothy E.; Culter, Anthony (2005) [1991], Kazhdan, Alexander P. (ed.), "Pulcheria", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 1 October 2020
Krawiec, Rebecca (2008), "Pulcheria", in Smith, Bonnie G. (ed.), The Oxford Encyclopedia of Women in World History (online ed.), Oxford University Press, doi:10.1093/acref/9780195148909.001.0001, ISBN 978-0-19-514890-9, retrieved 1 October 2020
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Macrides, R. J. (1988). "Killing, Asylum, and the Law in Byzantium". Speculum. 63 (3): 509–538. doi:10.2307/2852633. ISSN 0038-7134. JSTOR 2852633. S2CID 159951797.
Silentiarius, Paulus (2011). Descriptio Sanctae Sophiae. Descriptio Ambonis. Berlin: De Gruyter. doi:10.1515/9783110239072. ISBN 978-3-11-023907-2.
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Last War of Antiquity", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 81–102, doi:10.1007/978-3-030-16684-7_4, ISBN 978-3-030-16684-7, S2CID 200105105, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Spiritual Arsenal of the Siege", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 315–338, doi:10.1007/978-3-030-16684-7_14, ISBN 978-3-030-16684-7, S2CID 201011125, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Avars at the Gates", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 181–201, doi:10.1007/978-3-030-16684-7_8, ISBN 978-3-030-16684-7, S2CID 199934427, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Memory of the Siege", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 7–54, doi:10.1007/978-3-030-16684-7_2, ISBN 978-3-030-16684-7, S2CID 199944450, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "From History to Legend", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 247–268, doi:10.1007/978-3-030-16684-7_11, ISBN 978-3-030-16684-7, S2CID 200995315, retrieved 20 October 2020
Dikigoropoulos, Andreas (1964). "The Constantinopolitan Solidi of Theophilus". Dumbarton Oaks Papers. 18: 353–361. doi:10.2307/1291219. ISSN 0070-7546. JSTOR 1291219.
Sakar, Sonay; Yuksel, Fethi Ahmet; Hoskan, Nihan; Avci, Emine; Avci, Kerim; Erguven, Kubra (20 March 2014), "The gpr measurements on hagia sophia's surfaces facing the naos", Symposium on the Application of Geophysics to Engineering and Environmental Problems 2014, Symposium on the Application of Geophysics to Engineering and Environmental Problems Proceedings, Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, p. 558, doi:10.4133/sageep.27-200, retrieved 19 June 2021
Teteriatnikov, Natalia (2004–2005). "Hagia Sophia, Constantinople: Religious images and their functional context after iconoclasm". Zograf (30): 9–19. doi:10.2298/zog0530009t.
Poppe, Andrzej (1992). "Once Again concerning the Baptism of Olga, Archontissa of Rus'". Dumbarton Oaks Papers. 46: 271–277. doi:10.2307/1291660. ISSN 0070-7546. JSTOR 1291660.
Kazhdan, Alexander P. (2005) [1991], Kazhdan, Alexander P. (ed.), "Ol'ga", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 17 October 2020
Flier, Michael S. (2010), Bjork, Robert E. (ed.), "Olga, St", The Oxford Dictionary of the Middle Ages (online ed.), Oxford University Press, doi:10.1093/acref/9780198662624.001.0001, ISBN 978-0-19-866262-4, retrieved 17 October 2020
Farmer, David (2011), "Olga", The Oxford Dictionary of Saints (5th ed.), Oxford University Press, doi:10.1093/acref/9780199596607.001.0001, ISBN 978-0-19-959660-7, retrieved 17 October 2020
Maranci, Christina (September 2003). "The Architect Trdat: Building Practices and Cross-Cultural Exchange in Byzantium and Armenia". Journal of the Society of Architectural Historians. 62 (3): 294–305. doi:10.2307/3592516. JSTOR 3592516.
Magdalino, Paul (2016). "The triumph of 1133". In Bucossi, Alessandra; Suarez, Alex Rodriguez (eds.). John II Komnenos, Emperor of Byzantium: In the Shadow of Father and Son. Centre for Hellenic Studies, King's College London Publications 17. Oxford: Routledge. pp. 53–70. doi:10.4324/9781315590547. ISBN 978-1-315-59054-7.
Guilland, R. (1953). "ÉTUDES SUR L'HISTOIRE ADMINISTRATIVE DE L'EMPIRE BYZANTIN. LE STRATOPÉDARQUE ET LE GRAND STRATOPÉDARQUE". Byzantinische Zeitschrift. 46 (1). doi:10.1515/byzs.1953.46.1.63. ISSN 0007-7704. S2CID 191369605.
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "Conclusion", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 339–349, doi:10.1007/978-3-030-16684-7_15, ISBN 978-3-030-16684-7, retrieved 20 October 2020
Rydén, Lennart (1974). "The Andreas Salos Apocalypse. Greek Text, Translation, and Commentary". Dumbarton Oaks Papers. 28: 197–261. doi:10.2307/1291359. ISSN 0070-7546. JSTOR 1291359.
Inalcik, Halil (1969). "The Policy of Mehmed II toward the Greek Population of Istanbul and the Byzantine Buildings of the City". Dumbarton Oaks Papers. 23/24: 229–249. doi:10.2307/1291293. ISSN 0070-7546. JSTOR 1291293.
Barry, Fabio (2007). "Walking on Water: Cosmic Floors in Antiquity and the Middle Ages". The Art Bulletin. 89 (4): 627–656. doi:10.1080/00043079.2007.10786367. ISSN 0004-3079. JSTOR 25067354. S2CID 194078403.
Syrmakezis, K.; Mavrouli, O.; Papaevaggeliou, P.; Aggelakopolulou, E.; Bakolas, A.; Moropoulou, A. (November 2013). "Finite element analysis and fragility curves for the evaluation of restoration mortars behavior regarding the earthquake protection of historic structures". Soil Dynamics and Earthquake Engineering. 54: 61–65. Bibcode:2013SDEE...54...61S. doi:10.1016/j.soildyn.2013.07.002. ISSN 0267-7261.
Ousterhout, Robert (1 January 1996). "An Apologia for Byzantine Architecture". Gesta. 35 (1): 21–33. doi:10.2307/767224. ISSN 0016-920X. JSTOR 767224. S2CID 193354724.
Plachý, Jan; Musílek, Josef; Podolka, Luboš; Karková, Monika (2016). "Disorders of the Building and its Remediation – Hagia Sophia, Turkey the Most the Byzantine Building". Procedia Engineering. 161: 2259–2264. doi:10.1016/j.proeng.2016.08.825.
Majeska, George P. (1978). "Notes on the Archeology of St. Sophia at Constantinople: The Green Marble Bands on the Floor". Dumbarton Oaks Papers. 32: 299–308. doi:10.2307/1291426. ISSN 0070-7546. JSTOR 1291426.
Opstall, Emilie M. van (28 June 2018). "On the Threshold: Paul the Silentiary's Ekphrasis of Hagia Sophia". Sacred Thresholds: The Door to the Sanctuary in Late Antiquity: 31–65. doi:10.1163/9789004369009_003. ISBN 9789004369009. S2CID 201516637.
Yalçıner, Cahit Çağlar; Kurban, Yunus Can; Altunel, Erhan (May 2017). "Research using GPR into the cause of cracks and depressions in the floor of the gallery of Hagia Sophia Museum". Construction and Building Materials. 139: 458–66. doi:10.1016/j.conbuildmat.2017.02.036. ISSN 0950-0618.
MacDonald, William (1957). "Design and Technology in Hagia Sophia". Perspecta. 4: 20–27. doi:10.2307/1566853. ISSN 0079-0958. JSTOR 1566853.
Mizutani, Etsuko; Ogura, Daisuke; Ishizaki, Takeshi; Abuku, Masaru; Sasaki, Juni (1 November 2015). "Influence of the Infiltrated Rainwater on the Degradation of the Inner Wall in Hagia Sophia, Istanbul". Energy Procedia. 78: 1353–58. doi:10.1016/j.egypro.2015.11.153. hdl:2433/215879. ISSN 1876-6102.
Friedrich, Jürgen; Gerstenecker, Carl; Gürkan, Onur (October 1996). "Gravimetric examination of Hagia Sophia's subsurface structure". Journal of Geodesy. 70 (10): 645–51. Bibcode:1996JGeod..70..645F. doi:10.1007/bf00868226. ISSN 0949-7714. S2CID 129375039.
Mango, Cyril; Hawkins, Ernest J. W. (1965). "The Apse Mosaics of St. Sophia at Istanbul. Report on Work Carried out in 1964". Dumbarton Oaks Papers. 19: 113–151. doi:10.2307/1291228. ISSN 0070-7546. JSTOR 1291228.
Mango, Cyril (1954). "Documentary Evidence on the Apse Mosaics of St. Sophia". Byzantinische Zeitschrift. 47 (2): 395–402. doi:10.1515/byzs.1954.47.2.395. ISSN 0007-7704. S2CID 191481936.
Natalia, Teteriatnikov (2005). "Hagia Sophia, Constantinople: Religious images and their functional context after iconoclasm". Zograf. 30 (30): 9–13. doi:10.2298/ZOG0530009T. ISSN 0350-1361.
Cormack, Robin (June 1981). "Interpreting the Mosaics of S. Sophia at Istanbul". Art History. 4 (2): 131–149. doi:10.1111/j.1467-8365.1981.tb00707.x. ISSN 0141-6790.
Kalavrezou, Ioli (1990). "Images of the Mother: When the Virgin Mary Became "Meter Theou"". Dumbarton Oaks Papers. 44: 165–172. doi:10.2307/1291625. ISSN 0070-7546. JSTOR 1291625.
Oikonomidès, Nicolas (1985). "Some Remarks on the Apse Mosaic of St. Sophia". Dumbarton Oaks Papers. 39: 111–115. doi:10.2307/1291518. ISSN 0070-7546. JSTOR 1291518.
Galavaris, George (11 January 1962). "The Representation of Virgin and Child on a "Thokos" on Seals of the Constantinopolitan Patriarchs (pl. 54-61)". Δελτίον Χριστιανικής Αρχαιολογικής Εταιρείας. 20: 153. doi:10.12681/dchae.729. ISSN 2241-2190.
Martin, Charles (1930). "Hagia Sophia and the Great Imperial Mosques". The Art Bulletin. 12 (4): 321–345. doi:10.1080/00043079.1930.11409287. JSTOR 3050788.
Sqour, Saqer (6 May 2016). "Influence of Hagia Sophia on Construction of Dome in Mosque Architecture" (PDF). 8th International Conference on Latest Trends in Engineering and Technology (ICLTET-2016) May 5-6 2016 Dubai (UAE). International Institute of Engineers. doi:10.15242/IIE.E0516006. ISBN 978-93-84422-65-3. {{cite book}}: |journal= ignored (help)
Kleinbauer, W. Eugene (2007). "Hagia Sophia, 1850-1950: Holy Wisdom Modern Monument (review)". The Catholic Historical Review. 93 (2): 367–370. doi:10.1353/cat.2007.0181. ISSN 1534-0708. S2CID 159508818.

dx.doi.org

Downey, Glanville (January 1959). "The Name of the Church of St. Sophia in Constantinople". Harvard Theological Review. 52 (1): 37–41. doi:10.1017/s001781600002664x. ISSN 0017-8160. S2CID 163442071.
Guilland, R. (1953). "ÉTUDES SUR L'HISTOIRE ADMINISTRATIVE DE L'EMPIRE BYZANTIN. LE STRATOPÉDARQUE ET LE GRAND STRATOPÉDARQUE". Byzantinische Zeitschrift. 46 (1). doi:10.1515/byzs.1953.46.1.63. ISSN 0007-7704. S2CID 191369605.
Cormack, Robin (June 1981). "Interpreting the Mosaics of S. Sophia at Istanbul". Art History. 4 (2): 131–149. doi:10.1111/j.1467-8365.1981.tb00707.x. ISSN 0141-6790.
Kleinbauer, W. Eugene (2007). "Hagia Sophia, 1850-1950: Holy Wisdom Modern Monument (review)". The Catholic Historical Review. 93 (2): 367–370. doi:10.1353/cat.2007.0181. ISSN 1534-0708. S2CID 159508818.

dw.com

"Hagia Sophia imam: part of Erdogan's Islamization drive?". Deutsche Welle. 7 November 2016.
"Turkey hits back at UNESCO concern over Hagia Sophia". dw.com. 24 July 2021.

ecupatria.org

"Ecumenical Patriarch Bartholomew about Hagia Sophia". www.ecupatria.org/. 30 June 2020.

emporis.com

"Haghia Sophia". Istanbul /: Emporis. Archived from the original on 22 April 2007. Retrieved 4 December 2011.

euractiv.com

"Greece pushes for sanctions against Turkey, but EU insists on dialogue". EURACTIV. 13 July 2020. Retrieved 17 July 2020.

euronews.com

"Hagia Sophia: Controversy as Erdogan says museum and former cathedral will become a mosque". Euronews.

europa.eu

eeas.europa.eu

"Turkey: Statement by the High Representative/Vice-President Josep Borrell on the decision regarding Hagia Sophia". EEAS – European External Action Service – European Commission. Retrieved 17 July 2020.

ft.com

"Call to reinstate Hagia Sophia as mosque". Financial Times. 15 November 2013. Archived from the original on 10 December 2022. Retrieved 24 December 2013.

gerda-henkel-stiftung.de

lisa.gerda-henkel-stiftung.de

Stiftung, Gerda Henkel. "Die Hagia Sophia Justinians – Mathematischer Raum als Bühne des Kaisers". L.I.S.A. WISSENSCHAFTSPORTAL GERDA HENKEL STIFTUNG.

ghostarchive.org

Kraft, András (2012). "Constantinople in Byzantine Apocalyptic Thought" (PDF). Annual of Medieval Studies at CEU. 18: 25–36. Archived (PDF) from the original on 9 October 2022.
"Call to reinstate Hagia Sophia as mosque". Financial Times. 15 November 2013. Archived from the original on 10 December 2022. Retrieved 24 December 2013.
Erdoğan, Recep Tayyip (6 September 2019). "Presidential Decree" (PDF). Resmî Gazete (in Turkish). Archived (PDF) from the original on 9 October 2022.
"Making the Hagia Sophia a mosque is a political slap in the face for the West". The Telegraph. Archived from the original on 10 January 2022. Retrieved 7 July 2020.
Sqour, Saqer (5–6 May 2016). Influence of Hagia Sophia on the Construction of Dome in Mosque Architecture (PDF). 8th International Conference on Latest Trends in Engineering and Technology (ICLTET'2016). Archived (PDF) from the original on 9 October 2022.
"Helge Svenshon 2010: Das Bauwerk als "Aistheton Soma" – Eine Neuinterpretation der Hagia Sophia im Spiegel antiker Vermessungslehre und angewandter Mathematik. In: Falko Daim · Jörg Drauschke (Hrsg.) Byzanz – das Römerreich im Mittelalter Teil 2, 1 Schauplätze, Römisch-Germanisches Zentralmuseum Forschungsinstitut für Vor- und Frühgeschichte" (PDF). Archived (PDF) from the original on 9 October 2022. Retrieved 15 July 2020.

guideistanbul.net

"The Hagia Sophia Church". Guideistanbul.net. Archived from the original on 9 January 2020. Retrieved 4 December 2011.

hagiasophia.com

Hagia Sophia. "Mosque". Archived from the original on 28 January 2013. Retrieved 26 February 2013.
Hagia Sophia. "Imperial Door Mosaic". hagiasophia.com. Archived from the original on 7 January 2019. Retrieved 27 January 2019.
Hagia Sophia. "Southwestern Vestibule". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Apse Mosaic". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Emperor Alexander". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Empress Zoe". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Comnenus". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Deesis". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "North Tympanum". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.

hagiasophiatickets.com

Ahmad, Tufail. "Hagia Sophia History | Explore and Learn About This Monument". Hagia Sophia Tickets. Retrieved 19 July 2023.
"Facts About Hagia Sophia | Discover A Historic Masterpiece!". hagiasophiatickets.com. Retrieved 19 July 2023.
"Hagia Sophia Imperial Gate | Visit & Explore The Iconic Landmark". Hagia Sophia Tickets. 10 April 2023. Retrieved 18 July 2023.

handle.net

hdl.handle.net

Mizutani, Etsuko; Ogura, Daisuke; Ishizaki, Takeshi; Abuku, Masaru; Sasaki, Juni (1 November 2015). "Influence of the Infiltrated Rainwater on the Degradation of the Inner Wall in Hagia Sophia, Istanbul". Energy Procedia. 78: 1353–58. doi:10.1016/j.egypro.2015.11.153. hdl:2433/215879. ISSN 1876-6102.

harvard.edu

ui.adsabs.harvard.edu

Syrmakezis, K.; Mavrouli, O.; Papaevaggeliou, P.; Aggelakopolulou, E.; Bakolas, A.; Moropoulou, A. (November 2013). "Finite element analysis and fragility curves for the evaluation of restoration mortars behavior regarding the earthquake protection of historic structures". Soil Dynamics and Earthquake Engineering. 54: 61–65. Bibcode:2013SDEE...54...61S. doi:10.1016/j.soildyn.2013.07.002. ISSN 0267-7261.
Friedrich, Jürgen; Gerstenecker, Carl; Gürkan, Onur (October 1996). "Gravimetric examination of Hagia Sophia's subsurface structure". Journal of Geodesy. 70 (10): 645–51. Bibcode:1996JGeod..70..645F. doi:10.1007/bf00868226. ISSN 0949-7714. S2CID 129375039.

hdp.org.tr

"İnsanlık mirasına dair kararlar iktidarın politik oyunlarına göre alınamaz" [Decisions on human heritage cannot be made on the basis of political games played by the government]. www.hdp.org.tr (in Turkish). Retrieved 12 July 2020.

hurriyetdailynews.com

"Hagia Sophia still Istanbul's top tourist attraction". hurriyet.
"Top 10: Turkey's most visited museums". Hürriyet Daily News. 10 November 2014.
"Greece angered over Turkish Deputy PM's Hagia Sophia remarks". Hürriyet. 19 November 2013. Retrieved 20 November 2013.
"Pope's remarks 'to accelerate Hagia Sophia's conversion into mosque'". Hürriyet Daily News. 16 April 2015.
"First call to prayer inside Istanbul's Hagia Sophia in 85 years". Hürriyet.
"Turkish politics heats up over Hagia Sophia". hurriyetdailynews. 12 June 2020.
"Muslim group prays in front of Hagia Sophia to demand re-conversion into mosque". Hürriyet.
"Turkey rejects Greek criticism of Hagia Sophia prayers". Hürriyet.
"Turkish President Erdoğan recites Islamic prayer at the Hagia Sophia". Hürriyet. April 2018. Archived from the original on 24 January 2020.
"Hagia Sophia's status to be changed to mosque: Erdoğan". Hürriyet.
"Turkey refutes Greece on Quran session in Hagia Sophia – Turkey News". Hürriyet Daily News. Retrieved 11 July 2020.
"Hagia Sophia converted into mosque as Erdoğan signs decree". hurriyetdailynews. 10 July 2020. Retrieved 10 July 2020.
"Hagia Sophia icons to be preserved: Presidential spokesperson". hurriyetdailynews. 12 July 2020. Retrieved 12 July 2020.
"Istanbul mayor supports Hagia Sophia conversion move, 'as long as it benefits Turkey'". hurriyetdailynews. 13 July 2020. Retrieved 13 July 2020.
"Foreign visitors to pay entrance fee at Hagia Sophia". hurriyetdailynews. November 2023. Archived from the original on 1 November 2023. Retrieved 1 November 2023.
"Armenian Patriarch backs opening Hagia Sophia to worship". Hürriyet Daily News. 14 June 2020. Archived from the original on 24 July 2021.
"'Imperial Gate' in Hagia Sophia Mosque vandalized". 21 April 2022. Archived from the original on 21 April 2022. Retrieved 21 April 2022.

iieng.org

Sqour, Saqer (6 May 2016). "Influence of Hagia Sophia on Construction of Dome in Mosque Architecture" (PDF). 8th International Conference on Latest Trends in Engineering and Technology (ICLTET-2016) May 5-6 2016 Dubai (UAE). International Institute of Engineers. doi:10.15242/IIE.E0516006. ISBN 978-93-84422-65-3. {{cite book}}: |journal= ignored (help)

islamansiklopedisi.org.tr

Eyice, Semavi (1991). "Ayasofya" [Hagia Sophia]. İslâm Ansiklopedisi (in Turkish). Vol. 4. Istanbul: Turkish Diyanet Foundation. pp. 206–210.

istanbul-pulse.com

"Discover the Beautiful Inside Hagia Sophia in Istanbul". istanbul-pulse.com. 4 April 2023. Retrieved 21 April 2023.

istanbul.gov.tr

"İstanbul Tanıtımı – Ayasofya Müzesi". Istanbul. Archived from the original on 24 January 2012. Retrieved 4 December 2011.

jhu.edu

muse.jhu.edu

Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Ljubomir Milanović 2001: Materializing Authority: The Church of Saint Sava in Belgrade and its Architectural Significance. Serbian Studies: Journal of the North American Society for Serbian Studies, Volume 24, Numbers 1-2: 63-81 (PDF) Archived 29 September 2020 at the Wayback Machine

johnsanidopoulos.com

Stivaktakis, Anthony E. (27 February 2004). "The Last Divine Liturgy in Hagia Sophia of 1919". www.johnsanidopoulos.com. Retrieved 8 August 2022.

jstor.org

Emerson, William; van Nice, Robert L. (1950). "Hagia Sophia and the First Minaret Erected after the Conquest of Constantinople". American Journal of Archaeology. 54 (1): 28–40. doi:10.2307/500639. ISSN 0002-9114. JSTOR 500639. S2CID 193099976.
Theodosius, Earlier Second Church Ordered by I. I.; Rufinus, Built by Architect; Justinian, Current Church was Ordered by Emperor; Tralles, Designed by Greek Scientists Isidore of Miletus Anthemius of. "Exterior, Walls and Architectural Elements". Earlier second church ordered by Theodosius II, built by architect Rufinus, current Church was ordered by Emperor Justinian and designed by Greek scientists Isidore of Miletus and Anthemius of Tralles
Macrides, R. J. (1988). "Killing, Asylum, and the Law in Byzantium". Speculum. 63 (3): 509–538. doi:10.2307/2852633. ISSN 0038-7134. JSTOR 2852633. S2CID 159951797.
Dikigoropoulos, Andreas (1964). "The Constantinopolitan Solidi of Theophilus". Dumbarton Oaks Papers. 18: 353–361. doi:10.2307/1291219. ISSN 0070-7546. JSTOR 1291219.
Poppe, Andrzej (1992). "Once Again concerning the Baptism of Olga, Archontissa of Rus'". Dumbarton Oaks Papers. 46: 271–277. doi:10.2307/1291660. ISSN 0070-7546. JSTOR 1291660.
Pritsak, Omeljan (1985). "When and Where was Ol'ga Baptized?". Harvard Ukrainian Studies. 9 (1/2): 5–24. ISSN 0363-5570. JSTOR 41036130.
Maranci, Christina (September 2003). "The Architect Trdat: Building Practices and Cross-Cultural Exchange in Byzantium and Armenia". Journal of the Society of Architectural Historians. 62 (3): 294–305. doi:10.2307/3592516. JSTOR 3592516.
Rydén, Lennart (1974). "The Andreas Salos Apocalypse. Greek Text, Translation, and Commentary". Dumbarton Oaks Papers. 28: 197–261. doi:10.2307/1291359. ISSN 0070-7546. JSTOR 1291359.
Inalcik, Halil (1969). "The Policy of Mehmed II toward the Greek Population of Istanbul and the Byzantine Buildings of the City". Dumbarton Oaks Papers. 23/24: 229–249. doi:10.2307/1291293. ISSN 0070-7546. JSTOR 1291293.
Barry, Fabio (2007). "Walking on Water: Cosmic Floors in Antiquity and the Middle Ages". The Art Bulletin. 89 (4): 627–656. doi:10.1080/00043079.2007.10786367. ISSN 0004-3079. JSTOR 25067354. S2CID 194078403.
Ousterhout, Robert (1 January 1996). "An Apologia for Byzantine Architecture". Gesta. 35 (1): 21–33. doi:10.2307/767224. ISSN 0016-920X. JSTOR 767224. S2CID 193354724.
Majeska, George P. (1978). "Notes on the Archeology of St. Sophia at Constantinople: The Green Marble Bands on the Floor". Dumbarton Oaks Papers. 32: 299–308. doi:10.2307/1291426. ISSN 0070-7546. JSTOR 1291426.
Teteriatnikov, Natalia (1998). "Devotional Crosses in the Columns and Walls of Hagia Sophia". Byzantion. 68 (2): 419–445. ISSN 0378-2506. JSTOR 44172340.
MacDonald, William (1957). "Design and Technology in Hagia Sophia". Perspecta. 4: 20–27. doi:10.2307/1566853. ISSN 0079-0958. JSTOR 1566853.
Skhirtladze, Zaza (2014). "The Image of the Virgin on the Sinai Hexaptych and the Apse Mosaic of Hagia Sophia, Constantinople". Dumbarton Oaks Papers. 68: 369–386. ISSN 0070-7546. JSTOR 24643764.
Mango, Cyril; Hawkins, Ernest J. W. (1965). "The Apse Mosaics of St. Sophia at Istanbul. Report on Work Carried out in 1964". Dumbarton Oaks Papers. 19: 113–151. doi:10.2307/1291228. ISSN 0070-7546. JSTOR 1291228.
Kalavrezou, Ioli (1990). "Images of the Mother: When the Virgin Mary Became "Meter Theou"". Dumbarton Oaks Papers. 44: 165–172. doi:10.2307/1291625. ISSN 0070-7546. JSTOR 1291625.
Oikonomidès, Nicolas (1985). "Some Remarks on the Apse Mosaic of St. Sophia". Dumbarton Oaks Papers. 39: 111–115. doi:10.2307/1291518. ISSN 0070-7546. JSTOR 1291518.
Martin, Charles (1930). "Hagia Sophia and the Great Imperial Mosques". The Art Bulletin. 12 (4): 321–345. doi:10.1080/00043079.1930.11409287. JSTOR 3050788.

lapresse.it

"Papa: "Penso a Santa Sofia e sono molto addolorato"" (in Italian). LaPresse. Retrieved 26 July 2020.

livescience.com

Jarus, Owen (1 March 2013). "Hagia Sophia: Facts, History & Architecture". livescience.com. Retrieved 15 July 2020.
"Hagia Sophia: Facts, History & Architecture". Live Science. Retrieved 12 June 2017.

mei.edu

"Why did Moscow call Ankara's Hagia Sophia decision "Turkey's internal affair"?". Middle East Institute. Retrieved 14 April 2021.

mfa.am

"Comment by the Spokesperson of the Foreign Ministry of Armenia on changing the status of Hagia Sophia by the decision of the Turkish authorities". mfa.am. Ministry of Foreign Affairs of the Republic of Armenia. 11 July 2020. Archived from the original on 24 July 2021.

middleeasteye.net

"Turkey goes back to the future as Hagia Sophia set for Islamic prayers". Middle East Eye. Retrieved 11 July 2020.

milligazete.com.tr

en.milligazete.com.tr

"Milli Gazete | Erdoğan Administration Takes Control Of Istanbul's Historic Topkapı Palace". en.milligazete.com.tr. Retrieved 2 August 2020.

mtholyoke.edu

"The Hagia Sophia". Mount Holyoke College. Archived from the original on 4 October 2018.

nationalgeographic.co.uk

Romey, Kristin (13 July 2020). "Hagia Sophia stripped of museum status, paving its return to a mosque". National Geographic.

nb.rs

doiserbia.nb.rs

Teteriatnikov, Natalia (2004–2005). "Hagia Sophia, Constantinople: Religious images and their functional context after iconoclasm". Zograf (30): 9–19. doi:10.2298/zog0530009t.

ntv.com.tr

"Tarihin aktığı takvim..." www.ntv.com.tr (in Turkish). Retrieved 22 February 2023.

numista.com

en.numista.com

"500 Drachmai". Numista. Retrieved 22 February 2023.

nytimes.com

Simons, Marlise (22 August 1993). "Center of Ottoman Power". The New York Times. Retrieved 4 June 2009.
Gall, Carlotta (10 July 2020). "Turkish Court Clears Way for Hagia Sophia to Be Used as a Mosque Again". The New York Times. Retrieved 10 July 2020.
Gall, Carlotta (15 July 2020). "Erdogan Signs Decree Allowing Hagia Sophia to Be Used as a Mosque Again". The New York Times. Archived from the original on 11 July 2020. Retrieved 17 July 2020.

oikoumene.org

"WCC letter to President Erdogan to keep Hagia Sophia as the shared heritage of humanity". www.oikoumene.org. 11 July 2020. Archived from the original on 24 July 2020. Retrieved 25 July 2020.

openacessjournal.com

Sqour, Saqer (5–6 May 2016). Influence of Hagia Sophia on the Construction of Dome in Mosque Architecture (PDF). 8th International Conference on Latest Trends in Engineering and Technology (ICLTET'2016). Archived (PDF) from the original on 9 October 2022.

orthodoxtimes.com

"The mosaics of the Virgin Mary in Hagia Sophia are hidden with white curtains – How Erdogan set up the fiesta". Orthodox Times. 24 July 2020. Retrieved 6 June 2023.

oxfordreference.com

Gregory, Timothy E. (2005) [1991], Kazhdan, Alexander P. (ed.), "Nestorios", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 1 October 2020
Gregory, Timothy E.; Culter, Anthony (2005) [1991], Kazhdan, Alexander P. (ed.), "Pulcheria", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 1 October 2020
Krawiec, Rebecca (2008), "Pulcheria", in Smith, Bonnie G. (ed.), The Oxford Encyclopedia of Women in World History (online ed.), Oxford University Press, doi:10.1093/acref/9780195148909.001.0001, ISBN 978-0-19-514890-9, retrieved 1 October 2020
Kazhdan, Alexander P. (2005) [1991], Kazhdan, Alexander P. (ed.), "Ol'ga", The Oxford Dictionary of Byzantium (online ed.), Oxford University Press, doi:10.1093/acref/9780195046526.001.0001, ISBN 978-0-19-504652-6, retrieved 17 October 2020
Flier, Michael S. (2010), Bjork, Robert E. (ed.), "Olga, St", The Oxford Dictionary of the Middle Ages (online ed.), Oxford University Press, doi:10.1093/acref/9780198662624.001.0001, ISBN 978-0-19-866262-4, retrieved 17 October 2020
Farmer, David (2011), "Olga", The Oxford Dictionary of Saints (5th ed.), Oxford University Press, doi:10.1093/acref/9780199596607.001.0001, ISBN 978-0-19-959660-7, retrieved 17 October 2020

patriarchia.ru

"Заявление Патриарха Московского и всея Руси Кирилла в связи с ситуацией относительно Святой Софии". www.patriarchia.ru (in Russian). 6 July 2020.

researchgate.net

Almughrabi, Naser; Prijotomo, Josef; Faqih, Mohammad (6 June 2015). "SULEYMANIYE MOSQUE: SPACE CONSTRUCTION AND TECHNICAL CHALLENGES". International Journal of Education and Research. 3.

resmigazete.gov.tr

Erdoğan, Recep Tayyip (6 September 2019). "Presidential Decree" (PDF). Resmî Gazete (in Turkish). Archived (PDF) from the original on 9 October 2022.

reuters.com

"Turkey will cover Hagia Sophia mosaics during prayers - ruling party spokesman". Reuters. 13 July 2020. Retrieved 6 June 2023.
"Orthodox Patriarch says turning Istanbul's Hagia Sophia into mosque would be divisive". Reuters. 30 June 2020.
"Russian church leader says calls to turn Hagia Sophia into mosque threaten Christianity". Reuters. 6 July 2020.
Kucukgocmen, Ali; Butler, Daren (13 July 2020). "Turkey will cover Hagia Sophia mosaics during prayers – ruling party spokesman". Reuters. Retrieved 17 July 2020.
Kambas, Michele (14 July 2020). "Greece says Turkey is being 'petty' over Hagia Sophia". Reuters. Retrieved 17 July 2020.

uk.reuters.com

Kucukgocmen, Ali; Butler, Daren (13 July 2020). "Turkey will inform UNESCO about Hagia Sophia moves – minister". Reuters. Retrieved 17 July 2020.
Koutantou, Angeliki; Maltezou, Renee; Kambas, Michele (10 July 2020). "Greece condemns Turkey's decision to convert Hagia Sophia into mosque". Reuters. Retrieved 17 July 2020.

romereports.com

"Erdoğan invites Pope Francis to the inauguration of Hagia Sophia Mosque". romereports. 22 July 2020. Retrieved 22 July 2020.

seg.org

library.seg.org

Sakar, Sonay; Yuksel, Fethi Ahmet; Hoskan, Nihan; Avci, Emine; Avci, Kerim; Erguven, Kubra (20 March 2014), "The gpr measurements on hagia sophia's surfaces facing the naos", Symposium on the Application of Geophysics to Engineering and Environmental Problems 2014, Symposium on the Application of Geophysics to Engineering and Environmental Problems Proceedings, Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, p. 558, doi:10.4133/sageep.27-200, retrieved 19 June 2021

semanticscholar.org

api.semanticscholar.org

Emerson, William; van Nice, Robert L. (1950). "Hagia Sophia and the First Minaret Erected after the Conquest of Constantinople". American Journal of Archaeology. 54 (1): 28–40. doi:10.2307/500639. ISSN 0002-9114. JSTOR 500639. S2CID 193099976.
Downey, Glanville (January 1959). "The Name of the Church of St. Sophia in Constantinople". Harvard Theological Review. 52 (1): 37–41. doi:10.1017/s001781600002664x. ISSN 0017-8160. S2CID 163442071.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Macrides, R. J. (1988). "Killing, Asylum, and the Law in Byzantium". Speculum. 63 (3): 509–538. doi:10.2307/2852633. ISSN 0038-7134. JSTOR 2852633. S2CID 159951797.
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Last War of Antiquity", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 81–102, doi:10.1007/978-3-030-16684-7_4, ISBN 978-3-030-16684-7, S2CID 200105105, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Spiritual Arsenal of the Siege", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 315–338, doi:10.1007/978-3-030-16684-7_14, ISBN 978-3-030-16684-7, S2CID 201011125, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Avars at the Gates", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 181–201, doi:10.1007/978-3-030-16684-7_8, ISBN 978-3-030-16684-7, S2CID 199934427, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "The Memory of the Siege", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 7–54, doi:10.1007/978-3-030-16684-7_2, ISBN 978-3-030-16684-7, S2CID 199944450, retrieved 20 October 2020
Hurbanič, Martin (2019), Hurbanič, Martin (ed.), "From History to Legend", The Avar Siege of Constantinople in 626: History and Legend, New Approaches to Byzantine History and Culture, Cham: Springer International Publishing, pp. 247–268, doi:10.1007/978-3-030-16684-7_11, ISBN 978-3-030-16684-7, S2CID 200995315, retrieved 20 October 2020
Guilland, R. (1953). "ÉTUDES SUR L'HISTOIRE ADMINISTRATIVE DE L'EMPIRE BYZANTIN. LE STRATOPÉDARQUE ET LE GRAND STRATOPÉDARQUE". Byzantinische Zeitschrift. 46 (1). doi:10.1515/byzs.1953.46.1.63. ISSN 0007-7704. S2CID 191369605.
Barry, Fabio (2007). "Walking on Water: Cosmic Floors in Antiquity and the Middle Ages". The Art Bulletin. 89 (4): 627–656. doi:10.1080/00043079.2007.10786367. ISSN 0004-3079. JSTOR 25067354. S2CID 194078403.
Ousterhout, Robert (1 January 1996). "An Apologia for Byzantine Architecture". Gesta. 35 (1): 21–33. doi:10.2307/767224. ISSN 0016-920X. JSTOR 767224. S2CID 193354724.
Opstall, Emilie M. van (28 June 2018). "On the Threshold: Paul the Silentiary's Ekphrasis of Hagia Sophia". Sacred Thresholds: The Door to the Sanctuary in Late Antiquity: 31–65. doi:10.1163/9789004369009_003. ISBN 9789004369009. S2CID 201516637.
Friedrich, Jürgen; Gerstenecker, Carl; Gürkan, Onur (October 1996). "Gravimetric examination of Hagia Sophia's subsurface structure". Journal of Geodesy. 70 (10): 645–51. Bibcode:1996JGeod..70..645F. doi:10.1007/bf00868226. ISSN 0949-7714. S2CID 129375039.
Mango, Cyril (1954). "Documentary Evidence on the Apse Mosaics of St. Sophia". Byzantinische Zeitschrift. 47 (2): 395–402. doi:10.1515/byzs.1954.47.2.395. ISSN 0007-7704. S2CID 191481936.
Kleinbauer, W. Eugene (2007). "Hagia Sophia, 1850-1950: Holy Wisdom Modern Monument (review)". The Catholic Historical Review. 93 (2): 367–370. doi:10.1353/cat.2007.0181. ISSN 1534-0708. S2CID 159508818.

sibiul.ro

"Catedrala Ortodoxă: Strada Mitropoliei". sibiul.ro (in Romanian). Retrieved 5 September 2022.

stoneworld.com

"Baalbek keeps its secrets". stoneworld.

taylorfrancis.com

Magdalino, Paul (2016). "The triumph of 1133". In Bucossi, Alessandra; Suarez, Alex Rodriguez (eds.). John II Komnenos, Emperor of Byzantium: In the Shadow of Father and Son. Centre for Hellenic Studies, King's College London Publications 17. Oxford: Routledge. pp. 53–70. doi:10.4324/9781315590547. ISBN 978-1-315-59054-7.

telegraph.co.uk

"Making the Hagia Sophia a mosque is a political slap in the face for the West". The Telegraph. Archived from the original on 10 January 2022. Retrieved 7 July 2020.

trtworld.com

"Turkish court rules 1934 conversion of Hagia Sophia into museum illegal". Turkish court rules 1934 conversion of Hagia Sophia into museum illegal. Retrieved 25 July 2021.
"Russian tourists to benefit from Hagia Sophia status change". Russian tourists to benefit from Hagia Sophia status change. Retrieved 25 July 2021.

tu-darmstadt.de

tuprints.ulb.tu-darmstadt.de

"Helge Svenshon 2010: Das Bauwerk als "Aistheton Soma" – Eine Neuinterpretation der Hagia Sophia im Spiegel antiker Vermessungslehre und angewandter Mathematik. In: Falko Daim · Jörg Drauschke (Hrsg.) Byzanz – das Römerreich im Mittelalter Teil 2, 1 Schauplätze, Römisch-Germanisches Zentralmuseum Forschungsinstitut für Vor- und Frühgeschichte" (PDF). Archived (PDF) from the original on 9 October 2022. Retrieved 15 July 2020.

turkishculture.org

"The Fossati brothers". Turkish Cultural Foundation. Retrieved 26 July 2020.

uchicago.edu

penelope.uchicago.edu

"Book I (beginning)". The Buildings of Procopius. Loeb Classical Library. 1940. Retrieved 15 July 2020.

journals.uchicago.edu

Ousterhout, Robert (1 January 1996). "An Apologia for Byzantine Architecture". Gesta. 35 (1): 21–33. doi:10.2307/767224. ISSN 0016-920X. JSTOR 767224. S2CID 193354724.

unesco.org

en.unesco.org

"UNESCO statement on Hagia Sophia, Istanbul". UNESCO. 10 July 2020. Retrieved 11 July 2020.

vaticannews.va

"Pope Francis: 'I think of Hagia Sophia, and I am very saddened'". www.vaticannews.va. 12 July 2020. Retrieved 25 July 2020.

veryturkey.com

"Aya Sofya or Hagia Sophia Mosque-Church and Museum". Very Turkey. Archived from the original on 17 February 2020. Retrieved 26 March 2014.

virtualworldheritage.org

Alessandro E. Foni; George Papagiannakis; Nadia Magnentat-Thalmann. "Virtual Hagia Sophia: Restitution, Visualization and Virtual Life Simulation" (PDF). Archived from the original (PDF) on 9 July 2007. Retrieved 3 July 2007.

web.archive.org

"Hagia Sophia". ArchNet. Archived from the original on 5 January 2009.
Alessandro E. Foni; George Papagiannakis; Nadia Magnentat-Thalmann. "Virtual Hagia Sophia: Restitution, Visualization and Virtual Life Simulation" (PDF). Archived from the original (PDF) on 9 July 2007. Retrieved 3 July 2007.
"Haghia Sophia". Istanbul /: Emporis. Archived from the original on 22 April 2007. Retrieved 4 December 2011.
Admin (11 September 2020). "Architectural Adventure of Hagia Sophia". Architecture News. Archived from the original on 29 July 2021. Retrieved 29 July 2021.
"İstanbul Tanıtımı – Ayasofya Müzesi". Istanbul. Archived from the original on 24 January 2012. Retrieved 4 December 2011.
"Turkish President Erdoğan recites Islamic prayer at the Hagia Sophia". Hürriyet. April 2018. Archived from the original on 24 January 2020.
"UNESCO "halts" Erdogan's plans to turn the Hagia Sophia into Mosque". Daily Hellas. 27 March 2019. Archived from the original on 6 April 2020. Retrieved 10 April 2019.
"Foreign visitors to pay entrance fee at Hagia Sophia". hurriyetdailynews. November 2023. Archived from the original on 1 November 2023. Retrieved 1 November 2023.
Gall, Carlotta (15 July 2020). "Erdogan Signs Decree Allowing Hagia Sophia to Be Used as a Mosque Again". The New York Times. Archived from the original on 11 July 2020. Retrieved 17 July 2020.
"WCC letter to President Erdogan to keep Hagia Sophia as the shared heritage of humanity". www.oikoumene.org. 11 July 2020. Archived from the original on 24 July 2020. Retrieved 25 July 2020.
"Comment by the Spokesperson of the Foreign Ministry of Armenia on changing the status of Hagia Sophia by the decision of the Turkish authorities". mfa.am. Ministry of Foreign Affairs of the Republic of Armenia. 11 July 2020. Archived from the original on 24 July 2021.
"The Reflections of His Holiness Karekin II, Catholicos of All Armenians; on the Decision of the Turkish Authorities to turn the Hagia Sophia Cathedral-Museum into a Mosque". armenianchurch.org. Mother See of Holy Etchmiadzin. 14 July 2020. Archived from the original on 25 February 2021.
"Armenian Patriarch backs opening Hagia Sophia to worship". Hürriyet Daily News. 14 June 2020. Archived from the original on 24 July 2021.
"Buttresses | Hagia Sophia Museum". ayasofyamuzesi.gov.tr. Directorate of Hagia Sophia Museum. Archived from the original on 28 August 2019. Retrieved 18 April 2017.
Hagia Sophia. "Mosque". Archived from the original on 28 January 2013. Retrieved 26 February 2013.
"Minarets | Hagia Sophia Museum". Archived from the original on 30 March 2019. Retrieved 20 November 2017.
""The Nice Door." The nice door, Hagia Sophia Museum". Archived from the original on 29 December 2018. Retrieved 19 November 2017.
""The Emperor Door." The Emperor Door, Hagia Sophia Museum". Archived from the original on 30 December 2018. Retrieved 15 July 2020.
"'Imperial Gate' in Hagia Sophia Mosque vandalized". 21 April 2022. Archived from the original on 21 April 2022. Retrieved 21 April 2022.
"Aya Sofya or Hagia Sophia Mosque-Church and Museum". Very Turkey. Archived from the original on 17 February 2020. Retrieved 26 March 2014.
"Hagia Sophia. Nova PBS program; originally aired 2/25/2015". YouTube. Archived from the original on 18 May 2016. Retrieved 15 July 2020.
"Monuments éternels". Programmes ARTE. 21 September 2014. Archived from the original on 5 May 2015.
"The Hagia Sophia". Mount Holyoke College. Archived from the original on 4 October 2018.
"The Hagia Sophia Church". Guideistanbul.net. Archived from the original on 9 January 2020. Retrieved 4 December 2011.
Hagia Sophia. "Imperial Door Mosaic". hagiasophia.com. Archived from the original on 7 January 2019. Retrieved 27 January 2019.
Hagia Sophia. "Southwestern Vestibule". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Apse Mosaic". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Emperor Alexander". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Empress Zoe". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Comnenus". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "Deesis". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
Hagia Sophia. "North Tympanum". hagiasophia.com. Archived from the original on 20 December 2018. Retrieved 27 January 2019.
"Dome Angel Figures". Hagia Sophia Museum. Archived from the original on 11 January 2019. (archived).
Ljubomir Milanović 2001: Materializing Authority: The Church of Saint Sava in Belgrade and its Architectural Significance. Serbian Studies: Journal of the North American Society for Serbian Studies, Volume 24, Numbers 1-2: 63-81 (PDF) Archived 29 September 2020 at the Wayback Machine

wikisource.org

en.wikisource.org

Heath, Thomas Little (1911). "Anthemius" . Encyclopædia Britannica. Vol. 02 (11th ed.). p. 93.

wmf.org

"Hagia Sophia". World Monuments Fund. Retrieved 4 December 2011.

worldcat.org

Emerson, William; van Nice, Robert L. (1950). "Hagia Sophia and the First Minaret Erected after the Conquest of Constantinople". American Journal of Archaeology. 54 (1): 28–40. doi:10.2307/500639. ISSN 0002-9114. JSTOR 500639. S2CID 193099976.
Phillips, Jonathan (2005). The Fourth Crusade and the sack of Constantinople. Penguin Books. ISBN 978-1-101-12188-7. OCLC 607531385.
Downey, Glanville (January 1959). "The Name of the Church of St. Sophia in Constantinople". Harvard Theological Review. 52 (1): 37–41. doi:10.1017/s001781600002664x. ISSN 0017-8160. S2CID 163442071.
Crawford, Peter (2019). Roman Emperor Zeno: The Perils of Power Politics in Fifth-Century Constantinople. Newburyport: Pen & Sword Books. p. 14. ISBN 978-1-4738-5927-2. OCLC 1206400173.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Kaldellis, Anthony (2013). "The Making of Hagia Sophia and the Last Pagans of New Rome". Journal of Late Antiquity. 6 (2): 347–366. doi:10.1353/jla.2013.0019. ISSN 1942-1273. S2CID 162336421.
Macrides, R. J. (1988). "Killing, Asylum, and the Law in Byzantium". Speculum. 63 (3): 509–538. doi:10.2307/2852633. ISSN 0038-7134. JSTOR 2852633. S2CID 159951797.
Bell, Peter Neville, ed. (2009). Three political voices from the age of Justinian: Agapetus, 'Advice to the Emperor'; Dialogue on political science; Paul the Silentiary: 'Description of Hagia Sophia'. Liverpool: Liverpool University Press. ISBN 978-1-84631-209-0. OCLC 318874086.
Dikigoropoulos, Andreas (1964). "The Constantinopolitan Solidi of Theophilus". Dumbarton Oaks Papers. 18: 353–361. doi:10.2307/1291219. ISSN 0070-7546. JSTOR 1291219.
Poppe, Andrzej (1992). "Once Again concerning the Baptism of Olga, Archontissa of Rus'". Dumbarton Oaks Papers. 46: 271–277. doi:10.2307/1291660. ISSN 0070-7546. JSTOR 1291660.
Pritsak, Omeljan (1985). "When and Where was Ol'ga Baptized?". Harvard Ukrainian Studies. 9 (1/2): 5–24. ISSN 0363-5570. JSTOR 41036130.
Guilland, R. (1953). "ÉTUDES SUR L'HISTOIRE ADMINISTRATIVE DE L'EMPIRE BYZANTIN. LE STRATOPÉDARQUE ET LE GRAND STRATOPÉDARQUE". Byzantinische Zeitschrift. 46 (1). doi:10.1515/byzs.1953.46.1.63. ISSN 0007-7704. S2CID 191369605.
Rydén, Lennart (1974). "The Andreas Salos Apocalypse. Greek Text, Translation, and Commentary". Dumbarton Oaks Papers. 28: 197–261. doi:10.2307/1291359. ISSN 0070-7546. JSTOR 1291359.
Inalcik, Halil (1969). "The Policy of Mehmed II toward the Greek Population of Istanbul and the Byzantine Buildings of the City". Dumbarton Oaks Papers. 23/24: 229–249. doi:10.2307/1291293. ISSN 0070-7546. JSTOR 1291293.
Barry, Fabio (2007). "Walking on Water: Cosmic Floors in Antiquity and the Middle Ages". The Art Bulletin. 89 (4): 627–656. doi:10.1080/00043079.2007.10786367. ISSN 0004-3079. JSTOR 25067354. S2CID 194078403.
Pedone, Silvia (2011). "The Marble Omphalos of Saint Sophia in Constantinople. An Analysis of an Opus Sectile Pavement of Middle Byzantine Age". In Şahin, Mustafa (ed.). 11th International Colloquium on Ancient Mosaics, October 16th-20th, 2009, Bursa, Turkey: Mosaics of Turkey and parallel developments in the rest of the ancient and medieval world: questions of iconography, style and technique from the beginnings of mosaic until the late Byzantine era. İstanbul: Uludağ Üniversitesi, Mozaik Araştırmaları Uygulama ve Araştırma Merkezi. pp. 749–768. ISBN 978-605-5607-81-4. OCLC 801099151.
Syrmakezis, K.; Mavrouli, O.; Papaevaggeliou, P.; Aggelakopolulou, E.; Bakolas, A.; Moropoulou, A. (November 2013). "Finite element analysis and fragility curves for the evaluation of restoration mortars behavior regarding the earthquake protection of historic structures". Soil Dynamics and Earthquake Engineering. 54: 61–65. Bibcode:2013SDEE...54...61S. doi:10.1016/j.soildyn.2013.07.002. ISSN 0267-7261.
Ousterhout, Robert (1 January 1996). "An Apologia for Byzantine Architecture". Gesta. 35 (1): 21–33. doi:10.2307/767224. ISSN 0016-920X. JSTOR 767224. S2CID 193354724.
Majeska, George P. (1978). "Notes on the Archeology of St. Sophia at Constantinople: The Green Marble Bands on the Floor". Dumbarton Oaks Papers. 32: 299–308. doi:10.2307/1291426. ISSN 0070-7546. JSTOR 1291426.
Teteriatnikov, Natalia (1998). "Devotional Crosses in the Columns and Walls of Hagia Sophia". Byzantion. 68 (2): 419–445. ISSN 0378-2506. JSTOR 44172340.
A., Mel'nikova, Elena (2016). A New Runic Inscription from Hagia Sophia Cathedral in Istanbul. Institute of World History, Russian Academy of Sciences, Moscow. OCLC 1233690226.{{cite book}}: CS1 maint: multiple names: authors list (link)
Yalçıner, Cahit Çağlar; Kurban, Yunus Can; Altunel, Erhan (May 2017). "Research using GPR into the cause of cracks and depressions in the floor of the gallery of Hagia Sophia Museum". Construction and Building Materials. 139: 458–66. doi:10.1016/j.conbuildmat.2017.02.036. ISSN 0950-0618.
MacDonald, William (1957). "Design and Technology in Hagia Sophia". Perspecta. 4: 20–27. doi:10.2307/1566853. ISSN 0079-0958. JSTOR 1566853.
Mainstone, R.J. (Rowland J.) (1988). Hagia Sophia: Architecture, structure, and liturgy of Justinian's great church. New York: Thames and Hudson. ISBN 978-0-500-34098-1. OCLC 15378795.
Patricios, Nicholas N. (27 March 2014). The sacred architecture of Byzantium: Art, liturgy and symbolism in early Christian churches. London. ISBN 978-1-78076-291-3. OCLC 879616183.{{cite book}}: CS1 maint: location missing publisher (link)
Mizutani, Etsuko; Ogura, Daisuke; Ishizaki, Takeshi; Abuku, Masaru; Sasaki, Juni (1 November 2015). "Influence of the Infiltrated Rainwater on the Degradation of the Inner Wall in Hagia Sophia, Istanbul". Energy Procedia. 78: 1353–58. doi:10.1016/j.egypro.2015.11.153. hdl:2433/215879. ISSN 1876-6102.
Friedrich, Jürgen; Gerstenecker, Carl; Gürkan, Onur (October 1996). "Gravimetric examination of Hagia Sophia's subsurface structure". Journal of Geodesy. 70 (10): 645–51. Bibcode:1996JGeod..70..645F. doi:10.1007/bf00868226. ISSN 0949-7714. S2CID 129375039.
Skhirtladze, Zaza (2014). "The Image of the Virgin on the Sinai Hexaptych and the Apse Mosaic of Hagia Sophia, Constantinople". Dumbarton Oaks Papers. 68: 369–386. ISSN 0070-7546. JSTOR 24643764.
Mango, Cyril; Hawkins, Ernest J. W. (1965). "The Apse Mosaics of St. Sophia at Istanbul. Report on Work Carried out in 1964". Dumbarton Oaks Papers. 19: 113–151. doi:10.2307/1291228. ISSN 0070-7546. JSTOR 1291228.
Mango, Cyril (1954). "Documentary Evidence on the Apse Mosaics of St. Sophia". Byzantinische Zeitschrift. 47 (2): 395–402. doi:10.1515/byzs.1954.47.2.395. ISSN 0007-7704. S2CID 191481936.
Natalia, Teteriatnikov (2005). "Hagia Sophia, Constantinople: Religious images and their functional context after iconoclasm". Zograf. 30 (30): 9–13. doi:10.2298/ZOG0530009T. ISSN 0350-1361.
Cormack, Robin (June 1981). "Interpreting the Mosaics of S. Sophia at Istanbul". Art History. 4 (2): 131–149. doi:10.1111/j.1467-8365.1981.tb00707.x. ISSN 0141-6790.
Kalavrezou, Ioli (1990). "Images of the Mother: When the Virgin Mary Became "Meter Theou"". Dumbarton Oaks Papers. 44: 165–172. doi:10.2307/1291625. ISSN 0070-7546. JSTOR 1291625.
Oikonomidès, Nicolas (1985). "Some Remarks on the Apse Mosaic of St. Sophia". Dumbarton Oaks Papers. 39: 111–115. doi:10.2307/1291518. ISSN 0070-7546. JSTOR 1291518.
Galavaris, George (11 January 1962). "The Representation of Virgin and Child on a "Thokos" on Seals of the Constantinopolitan Patriarchs (pl. 54-61)". Δελτίον Χριστιανικής Αρχαιολογικής Εταιρείας. 20: 153. doi:10.12681/dchae.729. ISSN 2241-2190.
Kleinbauer, W. Eugene (2007). "Hagia Sophia, 1850-1950: Holy Wisdom Modern Monument (review)". The Catholic Historical Review. 93 (2): 367–370. doi:10.1353/cat.2007.0181. ISSN 1534-0708. S2CID 159508818.

youtube.com

"Hagia Sophia. Nova PBS program; originally aired 2/25/2015". YouTube. Archived from the original on 18 May 2016. Retrieved 15 July 2020.