Documentation of the Orhanizatsiya Ukrainskyh Natsionalistiv (OUN-Ukrainian Nationalists Organization), 1941-1942 Documentation of the Orhanizatsiya Ukrainskyh Natsionalistiv (OUN-Ukrainian Nationalists Organization) including publications, newsletters, requests, messages, declarations, protocols, reports and correspondence regarding the establishment of the Ukrainskyi Uryad (Ukrainian Government) in West Ukraine, regarding the collaboration with the German authorities in political and military events in the organization, 1941-1942;