Columbia subject headings:
Art, Italian--Italy--Ravenna--Catalogs.
Art--Italy--Ravenna--Catalogs.
Public art--Italy--Ravenna--Catalogs.
Harvard subject headings:
Art, Italian--Italy--Ravenna--Catalogs.
Art--Italy--Ravenna--Catalogs.
Public art--Italy--Ravenna--Catalogs.
Princeton subject headings:
Art, Italian--Italy--Ravenna--Catalogs.
Art--Italy--Ravenna--Catalogs.
Catalogs.
Public art--Italy--Ravenna--Catalogs.