Brentjes, Sonja Department Ideals and Practices of Rationality, Max Planck Institute for the History of Science, Max Planck Society;
Brentjes, S. (1996). Remarks about the proof sketches in Euclid's Elements, Book I as transmitted by Ms Paris, B.N., Fonds Latin 10257. In M. Folkerts (Ed.), Mathematische Probleme im Mittelalter: der lateinische und arabische Sprachbereich (pp. 115-137). Wiesbaden: Harrassowitz.