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)