Brentjes, Sonja Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Brentjes, S. (2017). On four sciences and their audiences in Ayyubid and Mamluk societies. In S. v. Hees (Ed.), Inḥiṭāṭ - The decline paradigm: its influence and persistence in the writing of Arab cultural history (pp. 139-171). Würzburg: Ergon.