BOJADŽIEV, E. Georgiev, Georgi: Osvoboždenieto i etnokulturnoto razvitie na bŭlgarskija narod. 1877—1900. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 464–467, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/9956. Acesso em: 1 mai. 2025.