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 `year` DESC, author) QQ WHERE `year`<2100 ORDER BY modified DESC LIM...' at line 1 Bibliographies | Miko Flohr
 

Combined Bibliography: Metal-working and Urban production

Metal-working
Urban production
Chardron-Picault, P. and M. Pernot (1999). Un quartier antique d'artisanat métallurgique à Autun. Le site du Lycée militaire. Paris: CNRS.
Mangin, M. (1981). Un Quartier de commercants et d'artisans d'Alesia. Contribution à l'histoire de l'habitat urbein en Gaule. Paris: Société les belles lettres.