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 Textile Economy

Greene, K. (2000). ‘Industry and Technology’, in A. Bowman, P. Garnsey and D. Rathbone (eds), The High Empire: A.D. 70-192. Cambridge: Cambridge University Press, 741–768.
Frank, T. (1940). An Economic Survey of Ancient Rome. V. Rome and Italy of the Empire. Baltimore: The John's Hopkins Press.