Columbia subject headings:
Architecture--Italy--Pesaro e Urbino (Province)
Pesaro e Urbino (Italy : Province)--Description and travel.
Harvard subject headings:
Historic buildings--Italy--Marche.
Historic buildings--Italy--Metauro River Valley.
Landscapes--Italy--Marche.
Landscapes--Italy--Metauro River Valley.
Marche (Italy)--Description and travel.
Metauro River Valley (Italy)--Description and travel.
Princeton subject headings:
Architecture--Italy--Pesaro e Urbino (Province).
Pesaro e Urbino (Italy : Province)--Description and travel.