Columbia subject headings:
Marche (Italy)--Pictorial works.
Marche (Italy)--Social life and customs--Pictorial works.
Harvard subject headings:
Marche (Italy)--Pictorial works.
Marche (Italy)--Social life and customs--Pictorial works.
Princeton subject headings:
Marche (Italy)--Description and travel--Views.
Marche (Italy)--Social life and customs--Pictorial works.