Columbia subject headings:
Intellectual property--Dictionaries.
Intellectual property--United States--Dictionaries.
Harvard subject headings:
Copyright--Dictionaries.
Copyright--United States--Dictionaries.
Patent laws and legislation--Dictionaries.
Patent laws and legislation--United States--Dictionaries.
Trademarks--Dictionaries.
Trademarks--United States--Dictionaries.
Princeton subject headings: