Ukraïnsʹka polityčna emihracija u XX stolitti dosvid kulʹturno-spilʹnotnoho sebepredstavlennja i samoutverdžennja v Zachidnomu sviti : do 130-riččja vid dnja narodžennja Olʹherda Bočkovsʹkoho = Ukrainian political emigration in the twentieth century : the experience of cultural and communal self-presenting and self-statement in the Western world - Piskun, Valentyna Mykolaïvna; Hordijenko, Dmytro Serhijovyč; Kanevsʹka, Iryna Oleksandrivna; Bočkovsʹkyj, Olʹherd-Ipolyt (Ucraina magna)