Karanika, Andromache. "Messengers, Angels, and Laments for the Fall of Constantinople". Ch. 10 in The Fall of Cities in the Mediterranean: Commemoration in Literature, Folk-song, and Liturgy (Mary R. Bachvarova, Dorota Dutsch, Ann Suter, eds. Cambridge, UK: Cambridge University Press, 2016): 226-251.
ISBN 9781107031968 hbk; 9781139424387 online
For a great part the article focuses on the Ανακάλημα της Κωνσταντινόπολης (Lament for Constantinople).