Bulgarische Sammlungen und Spezialliteratur Burrer, F.Münzprägung und Geschichte des thessalischen Bundes, Saarbrücken 1993. CCCH Bulg.Vol 1. Numismatic collection of the Historical Museum Lovech (anc. Melta), Sofia 2007. Vol 2. Numismatic collection of the Historical Museum at Kyustendi (anc. U. Pautalia), Sofia 2009. Vol 3. Numismatic collection of the Historical Mus. at Smolyan (anc. Centr. Rhodopes), Sofia 2011. Vol 4. Numismatic collection of the Historical Mus. at Blagoevgrad (anc. Skaptopara), Sofia 2014. Vol 5. Numismatic collection of the Historical Museum at Pazardzhik, Sofia 2015. Dima, M. The silver coinage if Istros during the hellenistic period, Wetteren 2014. Dimova, S. Coins of Anchialus in the collection of Ancient Nessebar Museum, 2015.Komnick, H. Die Münzprägung von Nicopolis ad Nestum, Berlin 2003. (9 Werke) meist neuwertig