Columbia subject headings:
Art, Italian--Italy--San Gimignano.
City planning--Italy--San Gimignano.
San Gimignano (Italy)--History.
Harvard subject headings:
San Gimignano (Italy)--History.
San Gimignano (Italy)--Maps.
Princeton subject headings:
City planning--Italy--San Gimignano--History.
San Gimignano (Italy)--History.