Nadal (Catalan Wikipedia)

McGowan, Andrew, How December 25 Became Christmas Arxivat December 14, 2012, a Wayback Machine., Bible History Daily, February 12, 2016.
Andrew McGowan. «How December 25 Became Christmas». Biblical Archaeology Society. Arxivat de l'original el 14 desembre 2012. [Consulta: 24 febrer 2011].

biblija.net (Global: low place; Catalan: 165^th place)

Malachi:4:2-ESV
1 Corinthians:5:7–8-ESV Tally, p. 2–4. Tertulià (m. 220), que va viure a l'Àfrica del Nord de parla llatina, dona la data de la celebració de la passió el 25 de març. Roll, p. 87.

books.google.cat (Global: 516^th place; Catalan: 3^rd place)

Wainwright. The Oxford History of Christian Worship. Oxford University Press, 2005, p. 65. ISBN 978-0-19-513886-3.
Roy, Christian. Traditional Festivals: A Multicultural Encyclopedia. Santa Barbara, California: ABC-CLIO, 2005, p. 146. ISBN 978-1-57607-089-5.
Hastings. Encyclopedia of Religion and Ethics. 6. Kessinger Publishing Company, 2003, p. 603–604. ISBN 978-0-7661-3676-2.
Ledger. Charles Dickens in Context. Cambridge University Press, 2011, p. 178. ISBN 978-0-19-513886-3.
Talley, Thomas J. The Origins of the Liturgical Year. Liturgical Press, 1991, p. 88–91. ISBN 978-0-8146-6075-1.
Bradshaw, Paul F., "Christmas" Arxivat January 9, 2017, a Wayback Machine., The New SCM Dictionary of Liturgy of Worship, Hymns Ancient and Modern Ltd., 2002.
Collinge, William J. Historical Dictionary of Catholicism, 2012. ISBN 978-0-8108-5755-1.
Roll, Susan K. Towards the Origin of Christmas. Kok Pharos Publishing, 1995, p. 97, cf. note 173. ISBN 978-90-390-0531-6.
Senn, Frank C. Introduction to Christian Liturgy, 2012. ISBN 978-1-4514-2433-1.
Roll, Susan K. Towards the Origin of Christmas. Kok Pharos Publishing, 1995, p. 82, cf. note 115. ISBN 978-90-390-0531-6.
"Christmas Arxivat August 31, 2009, a Wayback Machine.", Encarta. 2009-10-31. Roll, Susan K. Toward the Origins of Christmas. Peeters Publishers, 1995, p. 130. ISBN 978-90-390-0531-6.
Tucker, Karen B. Westerfield. «The Oxford Companion to Christian Thought». A: , 2000. ISBN 978-0-19-860024-4.

britannica.com (Global: 37^th place; Catalan: 20^th place)

«Christology – The Arian controversy | Britannica» (en anglès). www.britannica.com. [Consulta: 23 desembre 2021].

chronicon.net (Global: low place; Catalan: low place)

Hippolytus and December 25th as the date of Jesus' birth Arxivat September 13, 2018, a Wayback Machine., Roll (1995), p. 87.

dec25th.info (Global: low place; Catalan: low place)

Augustine, Sermon 192 Arxivat November 25, 2016, a Wayback Machine.

encyclopedia.com (Global: 457^th place; Catalan: 354^th place)

"Depositio Martyrum". Arxivat December 25, 2021, a Wayback Machine. New Catholic Encyclopedia

festes.org (Global: low place; Catalan: 514^th place)

«Fires de nadal». festes.org. [Consulta: 25 desembre 2013].
«Fira de Santa Llúcia». festes.org. [Consulta: 25 desembre 2013].

fetasantfeliu.cat (Global: low place; Catalan: 3,188^th place)

«Fet a Sant Feliu». [Consulta: 20 agost 2018].

firadesantallucia.cat (Global: low place; Catalan: low place)

«Fira de Santa Llúcia». [Consulta: 25 desembre 2013].

gutenberg.org (Global: 629^th place; Catalan: 416^th place)

Newton, Isaac, Observations on the Prophecies of Daniel, and the Apocalypse of St. John Arxivat September 18, 2012, a Wayback Machine. (1733). Ch. XI.

mnmidwestfoodequipment.com (Global: low place; Catalan: low place)

Hale Bradt. Astronomy Methods, 2004, p. 69. Arxivat 2018-09-20 a Wayback Machine.. Roll, p. 87

msn.com (Global: 188^th place; Catalan: 212^th place)

encarta.msn.com

"Christmas Arxivat August 31, 2009, a Wayback Machine.", Encarta. 2009-10-31. Roll, Susan K. Toward the Origins of Christmas. Peeters Publishers, 1995, p. 130. ISBN 978-90-390-0531-6.

oremus.org (Global: 1,423^rd place; Catalan: low place)

Church House Publishing 1991 ISBN 978-0-7151-3738-3) En "The Date of Christmas and Epiphany" Arxivat April 6, 2015, a Wayback Machine.

r-site.org (Global: low place; Catalan: low place)

"Bruma", Seasonal Festivals of the Greeks and Romans Plini el Vell, Naturalis Historia, 18:59 Arxivat June 16, 2022, a Wayback Machine. (paràgraf 220 en llatí Arxivat May 4, 2022, a Wayback Machine.)

roger-pearse.com (Global: low place; Catalan: low place)

Pearse, Roger. «Some notes on "De solstitiis et aequinoctis" (CPL 2277)». Roger Pearse, 26 desembre 2019. [Consulta: 9 abril 2021].

scribd.com (Global: 467^th place; Catalan: 389^th place)

Hijmans, S.E., Sol, the sun in the art and religions of Rome, 2009, p. 595. ISBN 978-90-367-3931-3 Arxivat May 10, 2013, a Wayback Machine.
Hijmans, S.E.. The Sun in the Art and Religions of Rome, 2009, p. 588. ISBN 978-90-367-3931-3. Arxivat 2013-05-10 a Wayback Machine.

sites.google.cat (Global: low place; Catalan: 396^th place)

Pokhilko, Hieromonk Nicholas. «History of Epiphany». Arxivat de l'original el 23 setembre 2016. [Consulta: 27 desembre 2017].

tertullian.org (Global: 5,705^th place; Catalan: 3,591^st place)

The manuscript reads, VIII kal. Ian. natus Christus in Betleem Iudeae. ("The Chronography of 354 AD. Part 12: Commemorations of the Martyrs Arxivat November 22, 2011, a Wayback Machine.," The Tertullian Project. 2006.)

times-herald.com (Global: low place; Catalan: low place)

Hyden, Marc «Merry Christmas, Saturnalia or festival of Sol Invictus?» (en anglès). , 20 desembre 2021 [Consulta: 17 febrer 2023]. (a) «Sol Invictus and Christmas». A: (en anglès).

tufts.edu (Global: 192^nd place; Catalan: 40^th place)

perseus.tufts.edu

"Bruma", Seasonal Festivals of the Greeks and Romans Plini el Vell, Naturalis Historia, 18:59 Arxivat June 16, 2022, a Wayback Machine. (paràgraf 220 en llatí Arxivat May 4, 2022, a Wayback Machine.)

uchicago.edu (Global: 226^th place; Catalan: 177^th place)

penelope.uchicago.edu

Hyden, Marc «Merry Christmas, Saturnalia or festival of Sol Invictus?» (en anglès). , 20 desembre 2021 [Consulta: 17 febrer 2023]. (a) «Sol Invictus and Christmas». A: (en anglès).

web.archive.org (Global: 1^st place; Catalan: 1^st place)

The manuscript reads, VIII kal. Ian. natus Christus in Betleem Iudeae. ("The Chronography of 354 AD. Part 12: Commemorations of the Martyrs Arxivat November 22, 2011, a Wayback Machine.," The Tertullian Project. 2006.)
"Depositio Martyrum". Arxivat December 25, 2021, a Wayback Machine. New Catholic Encyclopedia
Pokhilko, Hieromonk Nicholas. «History of Epiphany». Arxivat de l'original el 23 setembre 2016. [Consulta: 27 desembre 2017].
McGowan, Andrew, How December 25 Became Christmas Arxivat December 14, 2012, a Wayback Machine., Bible History Daily, February 12, 2016.
Hale Bradt. Astronomy Methods, 2004, p. 69. Arxivat 2018-09-20 a Wayback Machine.. Roll, p. 87
Bradshaw, Paul F., "Christmas" Arxivat January 9, 2017, a Wayback Machine., The New SCM Dictionary of Liturgy of Worship, Hymns Ancient and Modern Ltd., 2002.
Andrew McGowan. «How December 25 Became Christmas». Biblical Archaeology Society. Arxivat de l'original el 14 desembre 2012. [Consulta: 24 febrer 2011].
Hippolytus and December 25th as the date of Jesus' birth Arxivat September 13, 2018, a Wayback Machine., Roll (1995), p. 87.
Kelly, Joseph F. The Origins of Christmas. Liturgical Press, 2004, p. 60. ISBN 978-0-8146-2984-0. Online here Arxivat February 19, 2017, a Wayback Machine.
"Bruma", Seasonal Festivals of the Greeks and Romans Plini el Vell, Naturalis Historia, 18:59 Arxivat June 16, 2022, a Wayback Machine. (paràgraf 220 en llatí Arxivat May 4, 2022, a Wayback Machine.)
Augustine, Sermon 192 Arxivat November 25, 2016, a Wayback Machine.
Newton, Isaac, Observations on the Prophecies of Daniel, and the Apocalypse of St. John Arxivat September 18, 2012, a Wayback Machine. (1733). Ch. XI.
Hijmans, S.E., Sol, the sun in the art and religions of Rome, 2009, p. 595. ISBN 978-90-367-3931-3 Arxivat May 10, 2013, a Wayback Machine.
"Christmas Arxivat August 31, 2009, a Wayback Machine.", Encarta. 2009-10-31. Roll, Susan K. Toward the Origins of Christmas. Peeters Publishers, 1995, p. 130. ISBN 978-90-390-0531-6.
Church House Publishing 1991 ISBN 978-0-7151-3738-3) En "The Date of Christmas and Epiphany" Arxivat April 6, 2015, a Wayback Machine.
Hijmans, S.E.. The Sun in the Art and Religions of Rome, 2009, p. 588. ISBN 978-90-367-3931-3. Arxivat 2013-05-10 a Wayback Machine.

Nadal (Catalan Wikipedia)

adsabs.harvard.edu (Global: 14th place; Catalan: 22nd place)

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chronicon.net (Global: low place; Catalan: low place)

dec25th.info (Global: low place; Catalan: low place)

encyclopedia.com (Global: 457th place; Catalan: 354th place)

festes.org (Global: low place; Catalan: 514th place)

fetasantfeliu.cat (Global: low place; Catalan: 3,188th place)

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biblija.net (Global: low place; Catalan: 165^th place)

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encyclopedia.com (Global: 457^th place; Catalan: 354^th place)

festes.org (Global: low place; Catalan: 514^th place)

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gutenberg.org (Global: 629^th place; Catalan: 416^th place)

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oremus.org (Global: 1,423^rd place; Catalan: low place)

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uchicago.edu (Global: 226^th place; Catalan: 177^th place)

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