Columbia subject headings:
Abbazia di San Pietro in Perugia--Archives.
Art objects--Italy--Perugia--History--Sources.
Christian art and symbolism--Italy--Perugia--History--Sources.
Church archives--Italy--Perugia.
Harvard subject headings:
Abbazia di San Pietro in Perugia--History--Sources.
Archivio di San Pietro (Perugia, Italy)
Church architecture--Italy--Perugia--History--Sources.
Church decoration and ornament--Italy--Perugia--History--Sources.
Princeton subject headings:
Abbazia di San Pietro in Perugia--Archives.
Art objects--Italy--Perugia--History--Sources.
Christian art and symbolism--Italy--Perugia--History--Sources.
Church archives--Italy--Perugia.