Columbia subject headings:
Mensheviks--Soviet Union--Sources.
Soviet Union--Politics and government--1917-1936--Sources.
Trials (Political crimes and offenses)--Soviet Union--Sources.
Harvard subject headings:
Mensheviks--Soviet Union--Sources.
Soviet Union--Politics and government--1917-1936--Sources.
Trials (Political crimes and offenses)--Soviet Union--Sources.
Princeton subject headings:
Mensheviks--Soviet Union--Sources.
Soviet Union--Politics and government--1917-1936--Sources.
Trials (Political crimes and offenses)--Soviet Union--Sources.