Columbia subject headings:
Soviet Union--Description and travel.
Soviet Union--Economic conditions--1955-1965.
Soviet Union--Social conditions--1945-1991.
Harvard subject headings:
Soviet Union--Description and travel.
Soviet Union--Economic conditions--1955-1965.
Soviet Union--Social conditions--1945-1991.
Princeton subject headings:
Soviet Union--Description and travel.
Soviet Union--Economic conditions--1959-.
Soviet Union--Social conditions--1945-.