Columbia subject headings:
Public utilities--Law and legislation--United States--Congresses.
Public utilities--Rates--United States--Congresses.
Public utilities--United States--Marketing--Congresses.
Harvard subject headings:
Public utilities--Law and legislation--United States--Congresses.
Public utilities--Law and legislation--United States.
Public utilities--Rates--United States--Congresses.
Public utilities--Rates--United States.
Public utilities--United States--Marketing--Congresses.
Public utilities--United States--Marketing.
Princeton subject headings: