(1957). The Annals of the Ukrainian Academy of Arts and Sciences in the U.S: A survey of ukrainian historiography by Dmytro Doroshenko ( Ukrainian Historiography 1917-1956 by Olexander Ohloblyn ). Vol. 5-6 No 4 ( 18 ) - 1, 2 ( 19-20 ). The Ukrainian Academy of Arts and Sciences in the U.S.
Lua i Stíl Chicago (17ú heag.)The Annals of the Ukrainian Academy of Arts and Sciences in the U.S: A Survey of Ukrainian Historiography by Dmytro Doroshenko ( Ukrainian Historiography 1917-1956 by Olexander Ohloblyn ). Vol. 5-6 No 4 ( 18 ) - 1, 2 ( 19-20 ). New York: The Ukrainian Academy of Arts and Sciences in the U.S, 1957.
Lua MLA (9ú heag.)The Annals of the Ukrainian Academy of Arts and Sciences in the U.S: A Survey of Ukrainian Historiography by Dmytro Doroshenko ( Ukrainian Historiography 1917-1956 by Olexander Ohloblyn ). Vol. 5-6 No 4 ( 18 ) - 1, 2 ( 19-20 ). The Ukrainian Academy of Arts and Sciences in the U.S, 1957.