Columbia subject headings:
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1985-1991.
Soviet Union--Social conditions--1970-1991.
Harvard subject headings:
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1985-1991.
Soviet Union--Social conditions--1970-1991.
Princeton subject headings:
Soviet Union--Ethnic relations.
Soviet Union--Politics and government--1982-.
Soviet Union--Social conditions--1970-1991.