Tuchynskyi, Vitaliy. 2019. “Valerii Rekrut. Essays on the Life of Haisynschyna. Ukrainian Revolution (1917-1921): Events. Personalities. Thoughts. Book 1.: Times of the Ukrainian Central Rada (March 4, 1917-29, April 1918). Vinnytsia: LLC ‘Mercury-Podillya’. 420 P”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 28 (May): 117-19. https://doi.org/10.31652/2411-2143-2019-28-117-119.