Columbia subject headings:
Komunistychna partii︠a︡ Zakhidnoï Ukraïny--History.
Soviet Union--History--Revolution, 1917-1921.
Soviet Union--Relations--Ukraine, Western.
Ukraine, Western--History.
Ukraine, Western--Relations--Soviet Union.
Harvard subject headings:
Komunistychna partii︠a︡ Zakhidnoï Ukraïny--History.
Soviet Union--Relations--Ukraine, Western.
Ukraine, Western--History.
Ukraine, Western--Relations--Soviet Union.
Ukraine--History--Revolution, 1917-1921.
Princeton subject headings: