Columbia subject headings:
Bills, Legislative--United States.
Political parties--United States.
United States--Politics and government--1945-1989.
United States--Politics and government--1989-
Harvard subject headings:
Bills, Legislative--United States.
Political parties--United States
United States--Politics and government--1945-1989.
United States--Politics and government--1989-
United States. Congress.
Princeton subject headings:
Bills, Legislative--United States.
Political parties--United States.
United States--Politics and government--1945-1989.
United States--Politics and government--1989-