Columbia subject headings:
Harvard subject headings:
Competition, Unfair--United States
Gasoline industry--Law and legislation--United States.
Petroleum law and legislation--United States.
Restraint of trade--United States.
Service stations--Law and legislation--United States
Princeton subject headings:
Gasoline industry--Law and legislation--United States.
Petroleum law and legislation--United States.
Restraint of trade--United States.
Service stations--Law and legislation--United States.