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
 

Greco, E. (2008). Magna Grecia. Guide Archeologiche Laterza 15. Second edition. Rome: Laterza.
Pesando, F. and M.-P. Guidobaldi (2006). Pompei Oplontis Ercolano Stabiae. Guide Archeologiche Laterza 14. Rome: Laterza.