Columbia subject headings:
Italy--Antiquities.
Marche (Italy)--Antiquities.
Marche (Italy)--Guidebooks.
Umbria (Italy)--Antiquities.
Umbria (Italy)--Guidebooks.
Harvard subject headings:
Archaeology--Italy--Marche--Guidebooks.
Archaeology--Italy--Umbria--Guidebooks.
Italy--Antiquities.
Marche (Italy)--Antiquities.
Marche (Italy)--Guidebooks.
Umbria (Italy)--Antiquities.
Umbria (Italy)--Guidebooks.
Princeton subject headings:
Italy--Antiquities.
Marche (Italy)--Antiquities.
Marche (Italy)--Guidebooks.
Umbria (Italy)--Antiquities.
Umbria (Italy)--Guidebooks.