Columbia subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Vatican City.
Church decoration and ornament--Vatican City.
Vatican City--Buildings, structures, etc.
Harvard subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Vatican City--Modern period, 1500-
Church decoration and ornament--Vatican City.
Vatican City--Buildings, structures, etc.
Princeton subject headings:
Basilica di San Pietro in Vaticano.
Christian art and symbolism--Vatican City.
Church decoration and ornament--Vatican City.
Vatican City--Buildings, structures, etc.