Columbia subject headings:
Executive power--United States.
National security--United States.
United States. War Powers Resolution.
War and emergency powers--United States.
War on Terrorism, 2001-2009.
Harvard subject headings:
Executive power--United States
National security--United States
United States. War Powers Resolution
War and emergency powers--United States
War on Terrorism, 2001-2009
Princeton subject headings:
Executive power--United States.
National security--United States.
United States. War Powers Resolution
War and emergency powers--United States.
War on Terrorism, 2001-2009.