1
Universiṭat Bar-Ilan. ham-Maḥlāqā le-Limmûdîm Bîbliyyôgrāfiyyîm û-le-Safrānût
Ramat Gan : Bar Ilan Univ. Press, 1975-
electronic
2
Universitätsbibliothek Johann Christian Senckenberg. Sammlung Judaica
Frankfurt : Judaica Division of the Frankfurt University Library, 2010-
electronic