Columbia subject headings:
Harvard subject headings:
Basilica di San Pietro in Vaticano.
Hippolytus, Antipope, approximately 170-235 or 236--Art.
Peter, the Apostle, Saint--Art.
Statua bronzea di San Pietro (Sculpture)
Statua di Sant'Ippolito (Sculpture)
Statua marmorea di San Pietro (Sculpture)
Statues--Vatican City.
Princeton subject headings:
Basilica di San Pietro in Vaticano.
Hippolytus, Antipope, approximately 170-235 or 236. Benedictiones Isaac et Iacob--Statues.
Peter, the Apostle, Saint--Statues.
Statues--Vatican City.