Columbia subject headings:
Mosaics, Byzantine--Italy--Ravenna.
Mosaics--Italy--Ravenna.
Ravenna (Italy). San Michele in Africisco.
Staatliche Museen zu Berlin (Germany : East). Frühchristlich-Byzantinische Sammlung.
Harvard subject headings:
Mosaics--Italy--Ravenna
Ravenna (Italy). San Michele in Africisco.
Princeton subject headings: