Columbia subject headings:
Energy conservation--United States--Congresses.
Energy policy--United States--Congresses.
United States--Economic policy--1971-1981--Congresses.
Harvard subject headings:
Energy conservation--United States
United States--Economic policy--1971-1981.
Princeton subject headings:
Energy conservation--United States--Congresses.
Energy policy--United States--Congresses.
United States--Economic policy--1971-1981--Congresses.