Аксьонова, Наталя. 2016. “Historical and Ethnographic Region Slobozhanschina in Historiographical Research”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’ 21 (September), 101-5. https://periodicals.karazin.ua/uahistory/article/view/6058.