Columbia subject headings:
Art, Italian--Catalogs.
Art--Italy--Perugia--Catalogs.
Galleria nazionale dell'Umbria--Catalogs.
Harvard subject headings:
Art, Italian--Italy--Umbria--Catalogs.
Art, Medieval--Italy--Umbria--Catalogs.
Art, Renaissance--Italy--Umbria--Catalogs.
Art--Italy--Perugia--Catalogs.
Galleria nazionale dell'Umbria--Catalogs.
Princeton subject headings:
Art--Italy--Perugia--Catalogs.
Art--Italy--Perugia--Conservation and restoration.
Galleria nazionale dell'Umbria--Catalogs.