Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Guidebooks.
Art, Italian--Guidebooks.
Pisa (Italy)--Buildings, structures, etc.--Guidebooks.
Pisa (Italy)--Guidebooks.
Princeton subject headings:
Architecture--Italy--Guidebooks.
Art, Italian--Guidebooks.
Guidebooks.
Pisa (Italy)--Buildings, structures, etc.--Guidebooks.
Pisa (Italy)--Guidebooks.