"Studies in Jewish thought" (Praeger, NY, 1989) ISBN 0-275-93038-6* "The mystical experiences of the Gaon of Vilna," in Jacobs, Louis (ed.).
"Studies in Jewish thought" (Praeger, NY, 1989) ISBN 0-275-93038-6* "The mystical experiences of the Gaon of Vilna", in Jacobs, Louis (ed.).