BIBLIOGRAPHY CONTRIBUTOR Rivka Friedman First name Rivka Last name Friedman Bibliography entries by this contributor Ibn ʿEzra, Abraham, Yiśraʿel Lewīn, Milton Arfa, and Rivka Friedman. 1985. “Sefer Yesod Mora Ve‐Yesod Torah”. In Yalqūṭ Avraham Ibn ʿEzra. New York; Tel Aviv: Hozaat Qeren.