Columbia subject headings:
Harvard subject headings:
United States--Politics and government--1977-1981--Periodicals.
United States. Congress--Periodicals.
Princeton subject headings:
United States--Politics and government--1977-1981--Periodicals.
United States--Politics and government--1981-1989--Periodicals.
United States--Politics and government--1989-1993--Periodicals.
United States--Politics and government--1993---Periodicals.
United States. Congress--Periodicals.