Bibliography

CCCHBulg II
S. Filipova, E.I. Paunov, and I. Prokopov (eds), The Numismatic Collection of the Regional Historical Museum at Kyustendil (Ancient Ulpia Pautalia) part 1: Greek, Thracian, Macedonian, Roman Republican and Roman Provincial Coins, Coin Collections and Coin Hoards from Bulgaria II (Sofia, 2009)