Columbia subject headings:
Marche (Italy)--Description and travel.
Romagna (Italy)--Description and travel.
Harvard subject headings:
Art--Italy.
Cities and towns--Italy
Marche (Italy)--Description and travel.
Romagna (Italy)--Description and travel.
Princeton subject headings:
Art--Italy.
Cities and towns--Italy.
Marche (Italy)--Description and travel.
Romagna (Italy)--Description and travel.