Columbia subject headings:
Ukraine--History--Revolution, 1917-1921.
Ukraïnsʹki sichovi strilʹt︠s︡i--History.
Harvard subject headings:
Ukraine--History, Military--20th century.
Ukraine--History--Revolution, 1917-1921.
Ukraïnsʹki sichovi strilʹt͡si--History.
World War, 1914-1918--Ukraine.
Princeton subject headings: