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
 

Bodel, J. and N. Dimitrova (2015). Ancient Documents and their Contexts. First North American Congress of Greek and Latin Epigraphy (2011). Brill Studies in Greek and Roman Epigraphy 5. Leiden: Brill.