Columbia subject headings:
Christian art and symbolism--Vatican City.
Mosaics, Italian--Vatican City.
Mural painting and decoration--Vatican City.
Harvard subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Vatican City.
Idols and images--Vatican City.
Mosaics, Italian--Vatican City.
Vatican Palace (Vatican City)
Princeton subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Vatican City.
Idols and images--Vatican City.
Mosaics, Italian--Vatican City.
Vatican Palace (Vatican City)