https://historica.unibo.it/entities/publication/f422f8b1-0a02-409a-8a5e-f61468d9f09f
Constantinopoli (Istanbul): S. Sofia. Ingresso al nartece
istanbulsofiaingressoal
https://historica.unibo.it/entities/publication/225b8ba8-3619-42e5-a332-5395c1f72b2f
Istanbul, Basilica di Santa Sofia, Volte del Nartece
santa sofiaistanbulbasilicadivolte