Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Italy--Salentina Peninsula--Congresses.
Architecture--Italy--Salentina Peninsula--Congresses.
Country homes--Italy--Salentina Peninsula--Congresses.
Salentina Peninsula (Italy)--Buildings, structures, etc.--Congresses.
Princeton subject headings:
Architecture, Domestic--Italy--Salentina Peninsula--Congresses.
Architecture--Italy--Salentina Peninsula--Congresses.
Salentina Peninsula (Italy)--Buildings, structures, etc.--Congresses.