Columbia subject headings:
Competition, Unfair--United States.
Interstate commerce.
Prices--United States.
United States. Federal Trade Commission.
Harvard subject headings:
Interstate commerce.
Price discrimination--United States
Restraint of trade--United States.
United States. Federal Trade Commission.
Princeton subject headings:
Interstate commerce.
Price discrimination--United States.
Restraint of trade--United States.
United States. Federal Trade Commission