Columbia subject headings:
Majolica, Italian--Congresses.
Pottery, Italian--Congresses.
Pottery--Forgeries--Congresses.
Harvard subject headings:
Majolica, Italian--Congresses.
Pottery, Italian--Congresses.
Pottery--Forgeries--Congresses.
Princeton subject headings:
Majolica, Italian--Congresses.
Pottery, Italian--Congresses.
Pottery--Forgeries--Congresses.