Columbia subject headings:
Sanctuary of Hercules Victor (Tivoli, Italy)
Temples, Roman--Italy--Tivoli.
Tivoli (Italy)--Buildings, structures, etc.
Harvard subject headings:
Princeton subject headings:
Guidebooks.
Sanctuary of Hercules Victor (Tivoli, Italy)
Tivoli (Italy)--Antiquities, Roman--Guidebooks.
Tivoli (Italy)--History--Guidebooks.