Columbia subject headings:
Art--Italy--Imola.
Art--Italy--Santerno River Valley.
Imola (Italy)--Description and travel.
Santerno River Valley (Italy)--Description and travel.
Harvard subject headings:
Art--Italy--Imola.
Imola (Italy)--Description and travel.
Santerno river and valley--Description and travel.
Santerno river and valley.
Princeton subject headings:
Art--Italy--Imola.
Imola (Italy)--Description and travel.
Santerno river and valley--Description and travel.
Santerno river and valley.