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
 

Günther, S., K. Ruffing and O. Stoll (2007). Pragmata. Beiträge zur Wirtschaftsgeschichte der Antike im Gedenken an Harald Winkel. Philippika Marburger altertumskundliche Abhandlungen 17. Wiesbaden: Harassowitz.