Preface. Introduction. Part One: The Medieval Latin Encyclopedias. 1. Purpose and Audience: Perspectives on the Thirteenth-Century Encyclopedias of Alexander Neckam, Bartholomaeus Anglicus, Thomas of Cantimpré and Vincent of Beauvais; J.B. Voorbij. 2. The Organization of Vincent of Beauvais' Speculum maius and of Some Other Latin Encyclopedias. Excursus: Aristotle and Other Greek and Arabic Scientific Sources in Three Thirteenth-Century Latin Encyclopedias; E. Albrecht. Part Two: The Encyclopedia of Science and Philosophy in the Medieval Islamic World. 3. Medieval Arabic Encyclopedias of Science and Philosophy; H.H. Biesterfeldt. 4. In What Sense Is Averroes an Encyclopedist? C.E. Butterworth. Part Three: Early Hebrew Encyclopedias. 5. Reflections on the Place of Maimonides' Mishneh Torah in the Tradition of the Medieval Encyclopedia; J.R. Woolf. 6. The First Hebrew Encyclopedia of Science: Abraham Bar Hiyya's Yesodei ha-Tevunah u-Migdal ha-Emunah; M. Rubio. 7. Encyclopedic Aspects of Abraham ibn Ezra's Scientific Corpus; S. Sela. 8. Levi ben Abraham of Villefranche's Controversial Encyclopedia; W.Z. Harvey. Part Four: Structure and Sources of the Major Thirteenth-Century Hebrew Encyclopedias. 9. Judah ben Solomon ha-Cohen's Midrash ha-Hokhmah: Its Sources and Use of Sources; R. Fontaine. 10. Shem-Tov ibn Falaquera's De'ot ha-Filosofim: Its Sources and Use of Sources; S. Harvey. 11. Gershom ben Solomon of Arles' Sha'arha-Shamayim: Its Sources and Use of Sources; J.T. Robinson. Part Five: Topics in the Thirteenth-Century Hebrew Encyclopedias. 12. The Logic of the Hebrew Encyclopedias; C.H. Manekin. 13. Mathematics in the Midrash ha-Hokhmah of Judah ben Solomon ha-Cohen; T. Lévy. 14. The Question of Celestial Matter in the Hebrew Encyclopedias; R. Glasner. 15. Providence, Astrology, and Celestial Influences on the Sublunar World in Shem-Tov ibn Falaquera's de'ot ha-Filosofim; G. Freudenthal. 16. Some Remarks on Judah ben Solomon ha-Cohen and His Encyclopedia, Midrash ha-Hokhmah; Y.T. Langermann. 17. The Soul of the Hebrew Encyclopedists; A.L. Ivry. 18. The Place of Aristotelian Metaphysics in the Thirteenth-Century Encyclopedias; M. Zonta. Part Six: Later Hebrew Encyclopedias. 19. Ahavah ba-Ta'anugim: A Fourteenth-Century Encyclopedia of Science and Theology; E. Eisemann. 20. The Hebrew Encyclopedias of the Renaissance; A. Melamed. Addendum. Steinschneider on the Medieval Hebrew Encyclopedias: An Annotated Translation from Die hebraeischen Übersetzungen des Mittelalters; C.H. Manekin. Bibliography. Index of Passages. Index of Books. Index of Names. Index of Subjects.