Columbia subject headings:
Christian art and symbolism--Medieval, 500-1500.
Harvard subject headings:
Arianism--History.
Arianism.
Art, Byzantine--Italy--Ravenna.
Christian art and symbolism--Italy--Ravenna--Medieval, 500-1500.
Goths--Religion.
Jesus Christ--History of doctrines--Early church, ca. 30-600.
Mosaics, Byzantine--Italy--Ravenna.
Ravenna (Italy)--Church history.
Trinity--History of doctrines--Early church, ca. 30-600.
Trinity--History of doctrines.
Princeton subject headings:
Christian art and symbolism--Medieval, 500-1500.