Columbia subject headings:
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--History--Sources.
Ukraine--History--German occupation, 1941-1944--Sources.
World War, 1939-1945--Underground movements--Ukraine--Sources.
Harvard subject headings:
Orhanizat͡sii͡a ukraïnsʹkykh nat͡sionalistiv--History--Sources.
Ukraine--History--German occupation, 1941-1944--Sources.
World War, 1939-1945--Underground movements--Ukraine--Sources.
Princeton subject headings: