Bible Encyclopedias
Yaḳḳar ben Samuel ha-Levi I.

The 1901 Jewish Encyclopedia

German scholar of the eleventh century; lived for a short time in Speyer. He was a pupil of Kalonymus of Rome, and questions addressed by him to Kalonymus have been preserved ("Shibbole ha-Leḳet," ); several of these referred to a custom observed among the Jews of Speyer only. The same subject is treated by Mordecai ("B. M." ).

Bibliography:
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Bibliography Information
Singer, Isidore, Ph.D, Projector and Managing Editor. Entry for 'Yaḳḳar ben Samuel ha-Levi I.'. 1901 The Jewish Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​tje/​y/yaar-ben-samuel-ha-levi-i.html. 1901.