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
 

Newby, M. and K. Painter (1991). Roman Glass. Two Centuries of Art and Invention. Occasional papers 13. London: Society of Antiquaries of London.