Columbia subject headings:
Busel, I︠A︡kiv, 1912-1945.
Busel, Oleksandr, 1910-1943.
Nationalists--Ukraine--Biography.
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--Biography.
Ukraine--Biography.
Harvard subject headings:
Busel, I͡Akiv, 1912-1945.
Busel, Oleksandr, 1910-1943.
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--Biography.
Princeton subject headings:
Busel, I︠A︡kiv, 1912-1945.
Busel, Oleksandr, 1910-1943.
Nationalists--Ukraine--Biography.
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--Biography.
Ukraine--Biography.