Columbia subject headings:
Goldwork--Netherlands--Kampen.
Hallmarks--Netherlands--Kampen.
Silverwork--Netherlands--Kampen.
Harvard subject headings:
Art metal-work--Netherlands--Kampen--History.
Goldwork--Netherlands--Kampen--History.
Hallmarks--Netherlands--Kampen.
Silverwork--Netherlands--Kampen--History.
Princeton subject headings:
Goldwork--Netherlands--Kampen.
Hallmarks--Netherlands--Kampen.
Silverwork--Netherlands--Kampen.