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
 

Robinson, D.M. and J.W. Graham (1938). The Hellenic House. A Study of the Houses Found at Olynthus with a Detailed Account of Those Excavated in 1931 and 1934. Excavations at Olynthus VIII. Baltimore: Johns Hopkins Press.