Columbia subject headings:
Harvard subject headings:
Majolica, Italian--Italy--Burgio (Agrigento)--Catalogs.
Majolica, Italian--Italy--Sciacca--Catalogs.
Princeton subject headings:
Majolica, Italian--Italy--Burgio (Agrigento)--Congresses.
Majolica, Italian--Italy--Burgio (Agrigento)--Exhibitions.
Majolica, Italian--Italy--Sciacca--Congresses.
Majolica, Italian--Italy--Sciacca--Exhibitions.