Columbia subject headings:
Executive power--United States.
United States--Politics and government.
United States. Congress. House.
United States. Congress. Senate.
Harvard subject headings:
Executive power--United States
Presidents--United States
United States. Congress. House.
United States. Congress. Senate.
Princeton subject headings:
Executive power--United States.
Presidents--United States.
United States. Congress. House
United States. Congress. Senate