1. University of Pennsylvania, LJS 293 Author: Abu Bakr al-Hassar Place: Baghdad Date: A.H. 590 (1194)
2. University of Pennsylvania, LJS 37 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
3. University of Pennsylvania, LJS 460 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
4. University of Pennsylvania, Ms. Coll. 742 Folder 1 Title: Conditions for peace Author: Cacciacomes Date: 1197?
6. University of Pennsylvania, Ms. Coll. 86 Title: Charter Author: Guillelmus Gilaberti de Olivariis Date: 1170 April [18].