Columbia subject headings:
Architecture--Italy--Marche.
Farm buildings--Italy--Marche.
Marche (Italy)--Description and travel.
Harvard subject headings:
Architecture--Italy--Marche.
Farm buildings--Italy--Marche.
Marche (Italy)--Description and travel.
Princeton subject headings:
Architecture--Italy--Marche.
Farm buildings--Italy--Marche.
Marche (Italy)--Description and travel.