Columbia subject headings:
Baths, Roman--Italy--Viterbo.
Excavations (Archaeology)--Italy--Viterbo.
Viterbo (Italy)--Antiquities, Roman.
Harvard subject headings:
Baths, Roman--Italy--Viterbo.
Excavations (Archaeology)--Italy--Viterbo.
Viterbo (Italy)--Antiquities, Roman.
Princeton subject headings:
Baths, Roman--Italy--Viterbo.
Excavations (Archaeology)--Italy--Viterbo.
Viterbo (Italy)--Antiquities, Roman.