Columbia subject headings:
Russia--Economic conditions--1861-1917.
Russia--Social policy.
Soviet Union--Economic conditions.
Soviet Union--Social policy.
Harvard subject headings:
Russia--Politics and government--1894-1917.
Russia--Social policy.
Soviet Union--Politics and government--1917-1936.
Soviet Union--Social policy.
Princeton subject headings:
Russia--Economic conditions--1861-1917.
Russia--Social policy.
Soviet Union--Economic conditions.
Soviet Union--Social policy.