Based on the results of the XXIII Exhibition-Competition of Educational and Scientific Literature at V.N.Karazin Kharkiv National University, the Head of the Department of Historiography, Source Studies, and Archaeology, Prof. S.I.Posokhov, and Associate Professor V.Yu.Ivashchenko were awarded a Second-Degree Diploma for the book "Marin Drinov: Letters, Telegrams, Official Reports. 1859–1905" (Sofia, 2023. 925 pages).