Комарніцький, О. “The Students of Pedagogical Educational Establishments of Kharkiv of 1920th – 193: Analysis of Quantity and Social Structure”. The Journal of V. N. Karazin Kharkiv National University. Series History, no. 52, Dec. 2017, pp. 56-64, https://periodicals.karazin.ua/history/article/view/9902.