Columbia subject headings:
Hallmarks--Switzerland--Registers.
Pewter--Switzerland--Catalogs.
Pewter--Switzerland--History.
Pewter--Switzerland--Zurich--Catalogs.
Schweizerisches Landesmuseum--Catalogs.
Harvard subject headings:
Hallmarks--Switzerland--Registers.
Pewter--Switzerland--Catalogs.
Pewter--Switzerland--History.
Pewter--Switzerland--Zurich--Catalogs.
Schweizerisches Landesmuseum--Catalogs.
Princeton subject headings:
Hallmarks.
Pewter, Swiss--Catalogs.