Columbia subject headings:
Energy policy--United States--History.
National security--United States--History.
Petroleum industry and trade--United States--History.
Harvard subject headings:
Energy policy--United States--History.
National security--United States--History.
Petroleum industry and trade--United States--History
Princeton subject headings:
Energy policy--United States--History.
National security--United States--History.
Petroleum industry and trade--United States--History.