Columbia subject headings:
Antitrust law--United States--Cases.
Government business enterprises--Law and legislation--United States--Cases.
Public utilities--Law and legislation--United States--Cases.
Trade regulation--United States--Cases.
Harvard subject headings:
Antitrust law--United States--Cases
Government business enterprises--Law and legislation--United States--Cases.
Public utilities--Law and legislation--United States--Cases.
Trade regulation--United States--Cases
Princeton subject headings: