Columbia subject headings:
Cai, Valentino--Art collections--Catalogs.
Italy--Historical geography--Maps--Catalogs.
Pisa (Italy)--Historical geography--Maps--Catalogs.
Pisa (Italy)--In art--Catalogs.
Prints, European--Catalogs.
Prints, Italian--Catalogs.
Harvard subject headings:
Cai, Valentino--Art collections--Catalogs.
Pisa (Italy)--Maps--Catalogs.
Pisa (Italy)--Pictorial works--Catalogs.
Princeton subject headings:
Cai, Valentino.
Cartography--Italy--Pisa--Pictorial works.
Maps--Italy--Pisa--Pictorial works.
Pisa (Italy)--Buildings, structures, etc.--Pictorial works.
Pisa (Italy)--Description and travel--Pictorial works.
Pisa (Italy)--In art.