Columbia subject headings:
Cai, Valentino--Art collections--Catalogs.
Maps.
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)--Historical geography--Maps--Catalogs.
Pisa (Italy)--In art--Catalogs.
Prints, European--Catalogs.
Prints, Italian--Catalogs.
Princeton subject headings:
Cai, Valentino--Art collections--Catalogs.
Catalogs.
Maps.
Pisa (Italy)--Historical geography--Maps--Catalogs.
Pisa (Italy)--In art--Catalogs.
Prints, European--Catalogs.
Prints, Italian--Catalogs.