Columbia subject headings:
Architecture--Italy--Salentina Peninsula.
Plazas--Italy--Salentina Peninsula.
Harvard subject headings:
Architecture--Italy--Salentina Peninsula.
Plazas--Italy--Salentina Peninsula--Pictorial works.
Plazas--Italy--Salentina Peninsula.
Princeton subject headings:
Architecture--Italy--Salentina Peninsula.
Plazas--Italy--Salentina Peninsula.