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
 

Pitts, M. (2019). The Roman Object Revolution. Objectscapes and Intra-Cultural Connectivity in Northwest Europe. Amsterdam Archaeological Studies 27. Amsterdam: Amsterdam University Press.
Van Oyen, A. (2016). How things make history: the Roman Empire and its terra sigillata pottery. Amsterdam Archaeological Studies. Amsterdam: Amsterdam University Press.