Columbia subject headings:
Art, Italian--Italy--Fermo Region--Congresses.
Cultural property--Italy--Fermo Region--Congresses.
Harvard subject headings:
Art, Italian--Italy--Fermo Region--Congresses.
Cultural property--Italy--Fermo Region--Congresses.
Princeton subject headings:
Architecture--Italy--Fermo--Congresses.
Art, Italian--Italy--Fermo--Congresses.
Fermo (Italy)--Civilization--Congresses.