Columbia subject headings:
Architecture--Greece--Athens.
Architecture--Italian influences.
Architecture--Italy--Rome.
Architecture--Italy--Tivoli.
Hadrian's Villa (Tivoli, Italy)
Hadrian, Emperor of Rome, 76-138--Homes and haunts.
Library of Hadrian (Athens, Greece)
Mausoleums--Italy--Rome.
Olympieion (Athens, Greece)
Pantheon (Rome, Italy)
Harvard subject headings:
Architecture, Roman--Greece--Athens.
Architecture, Roman--Italy--Rome.
Architecture, Roman--Italy--Tivoli.
Hadrian's Villa (Tivoli, Italy)
Hadrian, Emperor of Rome, 76-138--Homes and haunts--Greece--Athens.
Hadrian, Emperor of Rome, 76-138--Homes and haunts--Italy--Rome.
Hadrian, Emperor of Rome, 76-138--Homes and haunts--Italy--Tivoli.
Library of Hadrian (Athens, Greece)
Olympieion (Athens, Greece)
Pantheon (Rome, Italy)
Princeton subject headings:
Architecture--Greece--Athens.
Architecture--Italian influences.
Architecture--Italy--Rome.
Architecture--Italy--Tivoli.
Hadrian's Villa (Tivoli, Italy)
Hadrian, Emperor of Rome, 76-138--Homes and haunts.
Library of Hadrian (Athens, Greece)