V. Tuchynskyi, “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”., nzhist, no. 28, pp. 117–119, May 2019, doi: 10.31652/2411-2143-2019-28-117-119.