1. Amir, Yehoyada. “Guttmann, Julius.” In Encyclopaedia Judaica, 2nd ed. (online). Accessed June 2, 2021. https://link.gale.com/apps/doc/CX2587508050/GVRL?u=oxford&sid=bookmark-GVRL&xid=b7b7b622.
2. Attal, Robert. “Bibliography of the Writings of Prof. D.H. Baneth.” In Studia Orientalia: Memoriae D.H. Baneth Dedicata, 175–179 of the Hebrew section. Jerusalem: The Magnes Press, Hebrew University, 1979.