Потоцький, В. “The Vicissitudes of Nobles’ Fate: Biography Pages of Nikolai Kisel and Nikolai Meleshko”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’, Vol. 23, June 2017, pp. 27-33, https://periodicals.karazin.ua/uahistory/article/view/8595.