Columbia subject headings:
Soviet Union--Economic conditions.
Soviet Union--Social conditions--Historiography.
Harvard subject headings:
Soviet Union--Economic conditions--1917-1945--Historiography.
Soviet Union--Economic conditions--Historiography.
Soviet Union--Social conditions--1917-1945--Historiography.
Soviet Union--Social conditions--Historiography.
Princeton subject headings:
Soviet Union--Economic conditions--Historiography.
Soviet Union--Social conditions--Historiography.