Columbia subject headings:
Harvard subject headings:
Poland--Relations--Soviet Union
Soviet Union--History, Military.
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Relations--Poland.
Princeton subject headings:
Russia (Territory under White armies, 1918-1920). Dobrovolʹcheskai︠a︡ armii︠a︡
Soviet Union--History--Revolution, 1917-1921.
Vooruzhennye Sily na I︠U︡ge Rossii.