"The Vilna Gaon: the life and teachings of Rabbi Eliyahu, the Gaon of Vilna" (Mesorah Pub., Ltd., 1994) ISBN 0-89906-441-8* Shulman, Yaacov Dovid.
"The Vilna Gaon: the life and teachings of Rabbi Eliyahu, the Gaon of Vilna" (Mesorah Pub., Ltd., 1994) ISBN 0-89906-441-8* Shulman, Yaacov Dovid.