The fourth volume of Meḥqerei Talmud published on behalf of the Department of Talmud at the Hebrew University of Jerusalem is dedicated to Professor David Rosenthal on the occasion of his eightieth jubilee. Professor David Rosenthal is one of the leading researchers of the Mishnah and the Talmud , and his research also encompasses diverse bordering fields. In his bright studies and his captivating teaching, he produced countless brilliant and pulsating innovations. Some of them, which constitute the core of Talmud research, changed research concepts and set the research agenda with basic questions. Prof. Rosenthal, together with his colleagues, edited the series Meḥqerei Talmud from its inception in 1959. The articles in the collection are the fruit of the research of his colleagues and students, in his main fields of activity and in bordering fields.

In this issue: Avishai Bar-Asher | The Earliest Extant Version of Sefer Yesirah Tamar Kadari | Thousands unto Solomon: The Relationship Between Midrash Kohelet Rabbah and Midrash Shir Hashirim Rabbah Elyashiv Cherlow and Adiel Breuer | Remnants of ‘Maʿasim Livne Ereẓ Yira’el’ Written on a Scroll

In this issue: Shira Shmidman | The Textual Witnesses of Tosefta Yevamot: New Finding in Light of the Cairo Genizah Fragments Gideon Bohak | I Beg You: Appeals to Angels in the Talmudic and Gaonic Periods Avishai Bar-Asher | The Bahir as It Once was: Transmission History as a Tool for Reconstructing and Reassesing the Text, Format, and Ideas of the Original Composition

In this issue: Chaim Milikowsky | The Transformation of Traditions and the Creation of Variant Readings in Vayyiqra Rabba Chapter 25 Sections 1-2 – Preceding and Succeeding the Redactorial Moment Shulamit Elizur | 'The birth of poems' – Deliberations on the Conception of the Poem and Longings for Zion in a Previously Unknown Piyyut by R. Judah Halevi Judith Weiss | The Sefer Yetzira Commentary Attributed to Isaac the Blind: Evidence Supporting Its Early Dating, Its Central Status among Thirteenth century Kabbalists and the Validity of Its Attribution to Isaac the Blind Simcha Emanuel | Rashba’s Responsa to North African Sages Israel Ori Meitlis | The Place of Izhbitza-Radzin Thought in the Tekhelet writings of the Radziner Rebbe

In this issue: Hillel Mali | Ritual Leftovers and the Tannaitic Perceptions of Holiness Idan Pinto | Universe – Sanctuary – Man: On a Threefold Analogy in Two Anonymous Texts and their Traces in Thirteenth century Kabbalah Yudith Weiss | Isaac of Acre’s Commentary on the Sefer Yetzirah Commentary Attributed to Isaac the Blind: Research and Edition Haviva Pedaya | Kabbalah Out of Context: On the Erasure of the Provençal School in Kabbalah Research

In this issue: Haim Shapira | The Courts in the Mishnah : M. Sanhedrin , Chapter 1, Revisited Elyashiv Cherlow | Milta belo Taʿama : A Chapter in the Textual History of the Talmud Yerushalmi Moshe Idel | On ‘The Book of the Elderly Man’, The Backgrounds of Its Composition and the Research on it

Articles in this issue: Menahem Kahana| 'וכולה מתניתין': Who were the Abbreviators of Mishnayot in the Tannaitic Midrashim? Robert Brody | How many editions of his book Oaths (Kitab al-Ayman) did R. Hayya Publish? Warren Zev Harvey | Did Ibn Gabirol Write Adon 'Olam? Adiel Breuer | Hidushim on Tractate 'Eruvin Attributed to Hame'iri Moshe Yagur | Shaving Hair and Pairing Nails: The Origins and Transmutations of a Unique Rite of Passage in Medieval Judaism

Articles in this issue: David Henshke | Ma'amadot: A First Stage in the History of Rabbinic Prayer? Hannan Mazeh | Amanos or Ammana: An Emerging Interpretative Tradition and Maimonides' Emendation of the Mishnah Elyashiv Cherlow | The History of the Text of Talmud Yerushalmi: Studies of the Genizah Fragments Yehuda Zvi Stampfer | Sa'adia Gaon's Interpretation of the thirteen Hermeneutical Principles according to the Arabic Source: Commentary, Tendencies, and Unknown Sources

Articles in this issue : Hallel Baitner | Sprinkling at the Temple Entrance: A Forgotten Temple Ritual Gideon Libson | Maimonides and the Muslim Theologian Muhammad Al-Ghazali on the Generality of Law and the Doctrine of Distinction Yosseph Schwartz | Maimonides’ Guide of the Perplexed in Jewish and Christian Mysticism: A Chapter in Comparative Historiography Adam Afterman and Ido Pinto | On Apotheosis in the Kabbalah of Rabbi Bahya ben Asher

Articles in this issue: Menahem Kahana | The Tosafot (‘Marginal Annotations’) in Sifre on Deuteronomy Omri Livnat | Discoveries from Constantine: New Liturgical Poems by Yosef Ibn Avitur and Evidence of the Inclusion of Byzantine Poems in a North African Maḥzor Omer Michaelis | Ṣūfī Terminology and Its Meaning in Maimonides’ Guide of the Perplexed Jonatan Howard | The System of Exceptions: On the Organizational Structure of Grammatical Knowledge in Medieval Ashkenaz

Articles in this issue: Noam Mizrahi | The Eleventh Song of the Sabbath Sacrifice: Literary Form and Exegetical Content Tanja Werthmann | 'You Know the DIfference between a Lover (Oheb) and a Passionate Lover (Hosheq)': Degrees of Love in Maimonides and His Source in al-Ghazali Judith Weiss | Kababalah in Gerona in the Thirteenth Century: Azriel and Nahmanides. A Re-Evaluation Tsippi Kauffman | R. Boruch of Medzhybizh and the 'Medzhybizh Dynasty' English Abstracts

This issue contains the following essays: Amit Gvaryahu | The Tannaitic Laws of Battery: Scripture and Halakhah Uzi Leibner | The End of the Amoraic Period in the Land of Israel: Periodization, History and Archaeology Yoel Kretzmer-Raziel | The Talmudic Stam as an Evolutionary Phenomenon: The Opening Sugyot of Tractate Nedarim in the Talmud Yerushalmi and the Talmud Bavli Gal Sofer | Lover, Son and Prophet: Magic and Kabbalah in the Autobiography of Yohanan Alemanno English Abstracts