Columbia subject headings:
Architecture--Italy--Pisa.
City planning--Italy--Pisa--History.
Duomo (Pisa, Italy)
Pisa (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Pisa.
City planning--Italy--Pisa--History.
Duomo (Pisa, Italy)
Pisa (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Italy--Pisa.
City planning--Italy--Pisa--History.
Duomo (Pisa, Italy)
Pisa (Italy)--Buildings, structures, etc.