Columbia subject headings:
Trademarks--Law and legislation--France.
Trademarks--Law and legislation--Great Britain.
Trademarks--Law and legislation--United States.
Harvard subject headings:
Trademarks--Canada
Trademarks--Europe.
Trademarks--France
Trademarks--Great Britain
Trademarks--Ireland.
Trademarks--United States
Princeton subject headings: