Columbia subject headings:
Harvard subject headings:
Gems--Italy--Portogruaro--Catalogs.
Glyptics--Italy--Portogruaro--Catalogs.
Museo nazionale concordiese--Catalogs.
Princeton subject headings:
Catalogs.
Gems--Italy--Portogruaro--Catalogs.
Glyptics--Italy--Portogruaro--Catalogs.
Museo nazionale concordiese--Catalogs.