Columbia subject headings:
Ukraine--History--Revolution, 1917-1921.
Ukraïnsʹka Narodna Respublika. Armii︠a︡.
Harvard subject headings:
Ukraine--History, Military--20th century.
Ukraine--History--Autonomy and independence movements--Sources.
Ukraine--History--Revolution, 1917-1921--Sources.
Ukraine--History--Revolution, 1917-1921.
Ukraïnsʹka Narodna Respublika. Armii͡a
Princeton subject headings: