Columbia subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Italy--Rome--Medieval, 500-1500.
Christian art and symbolism--Italy--Rome--To 500.
Church decoration and ornament--Italy--Rome.
San Paolo fuori le mura (Church : Rome, Italy)
Harvard subject headings:
Basilica di San Pietro in Vaticano.
Cavallini, Pietro, active 13th century-14th century.
Decoration and ornament--Italy
Mural painting and decoration
Rome (Italy). San Paolo Fuori le Mura (Church)
S. Paolo fuori le mura (Basilica : Rome, Italy)
Princeton subject headings: