Columbia subject headings:
Energy policy--United States--History.
New Deal, 1933-1939.
Power resources--Law and legislation--United States.
Power resources--United States.
Harvard subject headings:
Energy policy--United States--History.
New Deal, 1933-1939.
Power resources--Law and legislation--United States
Power resources--United States
Princeton subject headings:
Energy policy--United States--History.
New Deal, 1933-1939.
Power resources--Law and legislation--United States.
Power resources--United States.