Columbia subject headings:
Harvard subject headings:
Emilia-Romagna (Italy)--Antiquities--Congresses.
Excavations (Archaeology)--Italy--Emilia-Romagna--Congresses.
Jewelry--Italy--Emilia-Romagna--History--To 1500--Congresses.
Princeton subject headings:
Jewelry--Italy--Emilia-Romagna--History--To 1500--Congresses.