"Jewish mystical testimonies" (Schocken Books, NY, 1977) ISBN 0-8052-3641-4* Landau, Betzalel and Rosenblum, Yonason.
"Jewish mystical testimonies" (Schocken Books, NY, 1977) ISBN 0-8052-3641-4* Landau, Betzalel and Rosenblum, Yonason.