Columbia subject headings:
Industries--Soviet Union.
Soviet Union--Economic conditions--1917-1945.
Soviet Union--Social conditions.
Women--Employment--Soviet Union.
Women--Soviet Union.
Working class--Soviet Union.
Harvard subject headings:
Industries--Soviet Union
Soviet Union--Economic conditions--1917-1945.
Soviet Union--Social conditions--1917-1945.
Women--Employment--Soviet Union.
Women--Soviet Union.
Working class--Soviet Union
Princeton subject headings: