Columbia subject headings:
Harvard subject headings:
Ukraine--History--Revolution, 1917-1921--Personal narratives.
Ukraïnsʹka halyt︠s︡ʹka armii︠a︡
Princeton subject headings:
Levyt︠s︡ʹkyĭ, Osyp.
Ukraine--History--Revolution, 1917-1921--Personal narratives.