Columbia subject headings:
Harvard subject headings:
Economic history--1971-1990
Social history--1970-
Underground press publications--United States--Periodicals.
United States--Politics and government--1945-1989.
World politics--1945-
Princeton subject headings:
Economic history--1971-1990--Periodicals.
Periodicals.
Social history--1970---Periodicals.
Underground press publications--United States--Periodicals.
United States--Politics and government--1945-1989--Periodicals.
World politics--1945---Periodicals.