Bojadžiev, Emil. „Osvoboždenieto Na Bŭlgarija I Razvitieto Na bŭlgarskata Narodna Kultura“. Südost-Forschungen 1, no. 1 (November 30, 2021): 403–405. Zugegriffen Mai 15, 2024. https://www.suedost-forschungen.de/portal/index.php/sof/article/view/10016.