Columbia subject headings:
Art, Italian--Italy--San Gimignano--Guidebooks.
Art--Italy--San Gimignano--Guidebooks.
San Gimignano (Italy)--Guidebooks.
Harvard subject headings:
Art, Italian--Italy--San Gimignano--Guidebooks.
Musei civici di San Gimignano--Guidebooks.
San Gimignano (Italy)--Guidebooks.
Princeton subject headings: