Columbia subject headings:
Communist countries--Economic conditions.
Council for Mutual Economic Assistance.
Europe, Eastern--Economic conditions--1945-
Harvard subject headings:
Council for Mutual Economic Assistance.
Europe, Eastern--Economic conditions--1945-1989.
Princeton subject headings:
Communist countries--Economic conditions.
Communist countries--Social conditions.
Council for Mutual Economic Assistance.
Europe, Eastern--Economic conditions--1945-1989.