Columbia subject headings:
Demography--Soviet Union--History.
Mortality--Soviet Union--History.
Soviet Union--Population policy--History.
Soviet Union--Social conditions.
Soviet Union--Statistics, Vital--History.
Harvard subject headings:
Demography--Soviet Union--History.
Mortality--Soviet Union--History.
Soviet Union--Population policy.
Soviet Union--Social conditions--1917-1945.
Soviet Union--Statistics, Vital--History.
Princeton subject headings:
Demography--History.
Soviet Union--Population--History.