You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ORDER BY `year` DESC, author) QQ WHERE `year`<2100 ORDER BY modified DESC LIM...' at line 1 Bibliographies | Miko Flohr
 

Combined Bibliography: Coins and Numismatics

Coins
Numismatics
Katsari, C. (2011). The Roman Monetary System. The Eastern Provinces from the First to the Third Century AD. Cambridge: Cambridge University Press.
Harl, K.W. (1996). Coinage in the Roman economy, 300 B.C. to A.D. 700. Baltimore: Johns Hopkins Press.
Crawford, M. (1985). Coinage and money under the Roman republic : Italy and the Mediterranean economy. London: Methuen.