Columbia subject headings:
City planning--Italy--Urbania--History--To 1500--Exhibitions.
Municipal services--Italy--Urbania--History--To 1500--Exhibitions.
Urbania (Italy)--History--Exhibitions.
Harvard subject headings:
Municipal services--Italy--Urbania--History--Sources--Exhibitions.
Urbania (Italy)--History--Sources--Exhibitions.
Urbania (Italy). Biblioteca comunale--Archives--Exhibitions.
Princeton subject headings: