Panayotov, Strahil. “Тhe ‘Persian’ Golden Rooster Ring in Sofia”. Bulgarian e-Journal of Archaeology Supplements | Българско е-Списание за Археология Supplementa 13 (June 13, 2026): 113–130. Accessed October 10, 2026. https://be-ja.org/index.php/supplements/article/view/398.