Сачко, Дар’я. 2018. “The Idea of a United Europe in the Views of Dokia Humenna”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’ 25 (March), 120-25. https://periodicals.karazin.ua/uahistory/article/view/10414.