Columbia subject headings:
Labor unions--Russia.
Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡.
Harvard subject headings:
Labor unions--Russia.
Russian S.F.S.R. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Labor unions--Russia.
Russia (1923- U.S.S.R) Armiia.