Columbia subject headings:
National security--United States--Congresses.
Petroleum--Government policy--United States--Congresses.
Petroleum--Political aspects--United States--Congresses.
Harvard subject headings:
National security--United States
National security--United States--Congresses
Petroleum industry and trade--Government policy--United States
Petroleum industry and trade--Government policy--United States--Congresses.
Petroleum reserves--Government policy--United States--Congresses.
Petroleum reserves--Government policy--United States.
Princeton subject headings:
Energy policy--United States--Congresses.
National security--United States--Congresses.
Petroleum industry and trade--Government policy--United States--Congresses.