Mafteaḥ ha-mafteḥot
Subtitle: bibliografyah shel bibliografyot kol-Yiśreʾeliyot
Edition: Mahadurah 2 murḥevet.
Publisher: Hotsaʾat sefarim ʻal shem Y. L. Magnes, ha-Universiṭah ha-ʻIvrit
Published: 1965
Place of publication: Jerusalem
Language: heb
Number of pages: 992
Subjects: Jews; Bibliography
Notes: Added t.p. in English: Bibliography of Jewish Bibliographies.