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 issue DESC, `year` DESC ) QQ WHERE `year`<2100 ORDER BY modified DES...' at line 1 Bibliographies | Miko Flohr
 

Crawford, M. (1985). Coinage and money under the Roman republic : Italy and the Mediterranean economy. The Library of Numismatics. London: Methuen.