Columbia subject headings:
Soviet Union--History--Revolution, 1917-1921.
Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--Political activity.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Peace.
Harvard subject headings:
Russia. Armii︠a︡--Political activity.
Soviet Union--History--Revolution, 1917-1921.
World War, 1914-1918--Campaigns--Eastern Front
World War, 1914-1918--Peace
Princeton subject headings:
Soviet Union--History--Revolution, 1917-1921.
Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--Political activity.
World War, 1914-1918--Campaigns--Eastern Front.
World War, 1914-1918--Peace.