Columbia subject headings:
Communism--Soviet Union.
Soviet Union--Economic conditions--1975-1985.
Soviet Union--Politics and government--1985-1991.
Soviet Union--Social conditions--1970-1991.
Harvard subject headings:
Communism--Soviet Union
Soviet Union--Economic conditions--1975-1985.
Soviet Union--Economic conditions--1985-1991.
Soviet Union--Politics and government--1985-1991.
Soviet Union--Social conditions--1970-1991.
Princeton subject headings:
Communism--Soviet Union.
Soviet Union--Economic conditions--1976-.
Soviet Union--Politics and government--1982-.
Soviet Union--Social conditions--1970-1991.