Columbia subject headings:
Goldwork--Belgium--Hainaut.
Hallmarks--Belgium--Hainaut.
Silverwork--Belgium--Hainaut.
Harvard subject headings:
Goldwork--Belgium--Hainaut--Catalogs.
Hallmarks--Belgium--Hainaut--Catalogs.
Silverwork--Belgium--Hainaut--Catalogs.
Princeton subject headings:
Goldwork--Belgium--Hainaut.
Hallmarks--Belgium--Hainaut.
Silverwork--Belgium--Hainaut.