Kalytko, Serhii, and Oleksandr Kravchuk. “Podillia in the Hetmanate of 1918: A Conservative Model of Domestic Political Stabilization”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 13 (October 2, 2008): 244–251. Accessed April 22, 2025. https://vspu.net/nzhist/index.php/nzhist/article/view/980.