Columbia subject headings:
Russian S.F.S.R. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--History.
Soviet Union--History--Revolution, 1917-1921--Sources.
Harvard subject headings:
Soviet Union--Armed Forces--Political activity.
Princeton subject headings:
Russian S.F.S.R. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--History.
Soviet Union--History--Revolution, 1917-1921--Sources.