Brentjes, Sonja Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Brentjes, S. (2017). Teaching the Sciences in Ninth-Century Baghdad as a Question in the History of the Book: The Case of Abū Yūsuf Yaʿqūb b. Isḥāq al-Kindī (d. after 256/870). Intellectual History of the Islamicate World, 5(1-2), 1-27. doi:10.1163/2212943X-00501001.