Langermann, Y. T. (2006). Of cathars and creationism: Shemarya Ilkriti's polemic against a dual eternalism. Jewish Studies Quarterly.

Langermann, Y. Tzvi. "Of Cathars and Creationism: Shemarya Ilkriti's Polemic Against a Dual Eternalism." Jewish Studies Quarterly 2006.

Langermann, Y. Tzvi. "Of Cathars and Creationism: Shemarya Ilkriti's Polemic Against a Dual Eternalism." Jewish Studies Quarterly, 2006.