Глибицька, С., M. Bobrova, and V. Fedorenko. “Yakov Yakovych Belen De Ballu (1753–1815) – Professor of Kharkiv University, First Librarian of the University Library. ”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’, Vol. 38, June 2024, pp. 168-74, doi:10.26565/2227-6505-2024-38-16.