Columbia subject headings:
Advertising agencies--Law and legislation--Germany (West)
Advertising agencies--Law and legislation--United States.
Competition, Unfair--Germany (West)
Competition, Unfair--United States.
Mass media--Law and legislation--Germany (West)
Mass media--Law and legislation--United States.
Harvard subject headings:
Advertising agencies--Law and legislation--Germany (West)
Advertising agencies--Law and legislation--United States.
Competition, Unfair--Germany (West)
Competition, Unfair--United States
Mass media--Law and legislation--Germany (West)
Mass media--Law and legislation--United States
Princeton subject headings: