Columbia subject headings:
Antitrust law--United States.
Power resources--Law and legislation--United States--Cases.
Public utilities--United States--Cases.
Trade regulation--United States--Cases.
Transportation--Law and legislation--United States--Cases.
Harvard subject headings:
Energy industries--Law and legislation--United States--Cases.
Public utilities--Law and legislation--United States--Cases.
Transportation--Law and legislation--United States--Cases.
Princeton subject headings: