Brentjes, Sonja External, Max Planck Institute for the History of Science, Max Planck Society;
Brentjes, S. (2010). Ayyubid princes and their scholarly clients from the ancient sciences. In A. Fuess, & J.-P. Hartung (Eds.), Court cultures in the Muslim world: seventh to nineteenth centuries (pp. 326-356). London: Routledge.