Vorolis, Mykola, and Olha Vorolis. 2002. “Educational and Cultural Development of Podillia in the 19th Century”. Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, no. 4 (April): 38-40. https://doi.org/10.31652/2411-2143-2002-04-38-40.