YORDANOV, I. Спомен за Иван Карайотов: A memory of Ivan Karayotov. Numismatics, Sigillography and Epigraphy | Нумизматика, сфрагистика и епиграфика, [S. l.], v. 14, p. v-vi, 2018. Disponível em: https://publications.naim.bg/index.php/NSE/article/view/108. Acesso em: 30 oct. 2026.