2024. 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. 38, (Jun. 2024), 168–174. DOI:https://doi.org/10.26565/2227-6505-2024-38-16.