Rashi, Commentaryon Deuteronomy 16:15 (Troyes, France, late 11th century), in, e.g., Rashi, The Torah: With Rashi’s Commentary Translated, Annotated, and Elucidated, translated and annotated by Yisrael Isser Zvi Herczeg (Brooklyn: Mesorah Publications, 1997), volume 5 (Devarim/Deuteronomy), page 178.
Avram Israel Reisner, "Curiouser and Curiouser: The Kashrut of Genetically Engineered Foodstuffs", YD 87:10.1997 (New York: Rabbinical Assembly, 1997), in Kassel Abelson and David J. Fine, editors, Responsa: 1991–2000: The Committee on Jewish Law and Standards of the Conservative Movement (New York: Rabbinical Assembly, 2002), pages 101–11.
Baḥya ibn Paquda, Chovot HaLevavot, section 3, chapter 10, in, e.g., Bachya ben Joseph ibn Paquda, Duties of the Heart, translated by Yehuda ibn Tibbon and Daniel Haberman, volume 1, pages 344–45.
Baḥya ibn Paquda, Chovot HaLevavot, section 3, chapter 6, in, e.g., Bachya ben Joseph ibn Paquda, Duties of the Heart, translated by Yehuda ibn Tibbon and Daniel Haberman, volume 1, pages 308–11.
Maimonides, Guide for the Perplexed, part 3, chapter 42, in, e.g., Moses Maimonides, Guide for the Perplexed, translated by Michael Friedländer, pages 351–52.
