Sefer Torah | Sefer Nizzahon Yashan | Sefer haYashar |
Halberstam, introduction to Judah Albargeloni's commentary on the Sefer Yeẓirah, pp.
Halberstam, in the introduction to Judah ben Barzillai's commentary on the Sefer Yeẓirah and Sefer ha-Sheṭarot