Concerning the inauguration of the Hagia Sophia, see Johannes Koder (2008). Koder, Johannes (2008). "Imperial Propaganda in the Kontakia of Romanos the Melode". Dumbarton Oaks Papers. 62: 275–291, 281. ISSN0070-7546. JSTOR20788050.
Gador-Whyte, Sarah (2017). Theology and poetry in early Byzantium: the Kontakia of Romanos the Melodist. Cambridge: Cambridge University Press. pp. 9–11. ISBN9781316492512. OCLC992462921.
Concerning the inauguration of the Hagia Sophia, see Johannes Koder (2008). Koder, Johannes (2008). "Imperial Propaganda in the Kontakia of Romanos the Melode". Dumbarton Oaks Papers. 62: 275–291, 281. ISSN0070-7546. JSTOR20788050.