Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Italy--Tivoli--History.
Architecture, Roman--Italy--Tivoli--History.
Hadrian's Villa (Tivoli, Italy)--History.
Hadrian, Emperor of Rome, 76-138--Homes and haunts--Italy--Tivoli.
Tivoli (Italy)--Antiquities, Roman.
Tivoli (Italy)--History.
Princeton subject headings:
Architecture, Domestic--Italy--Tivoli--History.
Architecture, Roman--Italy--Tivoli--History.
Hadrian's Villa (Tivoli, Italy)--History.
Hadrian, Emperor of Rome, 76-138--Homes and haunts--Italy--Tivoli.
Tivoli (Italy)--Antiquities, Roman.
Tivoli (Italy)--History.