Columbia subject headings:
Auschwitz (Concentration camp)--Biography.
Internment camp inmates--Ukraine--Biography.
Kovalʹ, Omeli︠a︡n, 1924-
Nazi concentration camp inmates--Ukraine--Biography.
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--Biography.
Ukraine--Biography.
Ukrainians--Belgium--Biography.
World War, 1939-1945--Personal narratives, Ukrainian.
Harvard subject headings:
Auschwitz (Concentration camp)--Biography.
Concentration camp inmates--Ukraine--Biography.
Kovalʹ, Omeli︠a︡n, 1924-
Orhanizat͡sii͡a ukraïnsʹkykh nat͡sionalistiv--Biography.
Ukraine--Biography.
Ukrainians--Belgium--Biography.
World War, 1939-1945--Personal narratives, Ukrainian.
Princeton subject headings:
Kovalʹ, Omeli︠a︡n, 1924-.
Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv--Biography.
Ukrainian resistance movement, 1944-1954.
World War, 1939-1945--Underground movements--Ukraine.