GEHL, Katerina; PETROV, Petăr. Bulgaria’s Neighbors as Mirrored in Caricatures “Balkanski Papagal” (1915–1927). Zeitschrift für Balkanologie, [S. l.], v. 41, n. 2, 2005. Disponível em: https://zeitschrift-fuer-balkanologie.de/index.php/zfb/article/view/60. Acesso em: 16 oct. 2026.