Columbia subject headings:
Harvard subject headings:
Competition, Unfair--United States
Groceries--United States--Marketing.
Grocery trade--Corrupt practices--United States.
Grocery trade--United States
Marketing--United States
Small business--United States.
Supermarkets--United States.
Princeton subject headings:
Competition, Unfair--United States.
Groceries--United States--Marketing.
Grocery trade--United States.
Marketing--United States.
Small business--United States.
Supermarkets--United States.