Columbia subject headings:
Christian saints in art--Catalogs.
Painting, Italian--Catalogs.
Painting--Conservation and restoration--Italy--Viterbo.
Painting--Italy--Viterbo--Catalogs.
Viterbo (Italy). Museo civico--Catalogs.
Harvard subject headings:
Christian saints in art--Catalogs.
Painting, Italian--Catalogs
Painting--Conservation and restoration--Italy--Viterbo.
Painting--Italy--Viterbo--Catalogs.
Viterbo (Italy). Museo civico--Catalogs.
Princeton subject headings:
Catalogs.
Christian saints in art--Catalogs.
Painting, Italian--Catalogs.
Painting--Conservation and restoration--Italy--Viterbo.
Painting--Italy--Viterbo--Catalogs.
Viterbo (Italy). Museo civico--Catalogs.