Columbia subject headings:
Archivio di San Pietro (Perugia, Italy). Biblioteca--Catalogs.
Biblioteca Augusta--Catalogs.
Manuscripts, Greek (Medieval and modern)--Italy--Perugia--Catalogs.
Harvard subject headings:
Archivio di San Pietro (Perugia, Italy). Biblioteca--Catalogs.
Biblioteca Augusta--Catalogs.
Manuscripts, Greek (Medieval and modern)--Italy--Perugia--Catalogs.
Princeton subject headings: