Title: Mafteaḥ ha-haskamot = Index approbationum /
Authors: Löwenstein, Leopold, 1843-1924.; Eidelberg, Shlomo, 1918-
Publisher: I.C.C. (747 Vassar Avenue, Lakewood NJ 08701),
Year: 2008
Subjects: Approbations (Rabbinical literature) Indexes.; Rabbinical literature Bibliography.