Columbia subject headings:
United States--Politics and government--Periodicals.
United States--Social conditions--1945---Periodicals.
Harvard subject headings:
United States--Politics and government--Periodicals.
United States--Social conditions--1945---Periodicals.
Princeton subject headings:
Periodicals.
United States--Politics and government--1989---Periodicals.
United States--Social conditions--1945---Periodicals.