11. University of Pennsylvania, LJS 35 Title: Decretals of Gregory IX Author: Catholic Church Date: between 1240 and 1260.
12. University of Pennsylvania, Oversize LJS 36 Title: Manuscript leaf from an account of the Jewish Wars, Date: 1100s.
13. University of Pennsylvania, Oversize LJS 391 Title: Kitāb al-Manṣūrī Author: Abu Bakr al-Razi Date: between 1200 and 1225?
14. University of Pennsylvania, LJS 395 Title: De proprietatibus rerum Author: Bartholomew Anglicus Date: 1200s.
16. University of Pennsylvania, LJS 460 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
18. University of Pennsylvania, LJS 492 Title: Medical texts Place: Spain Date: [between 1425 and 1475]
19. University of Pennsylvania, LJS 493 Title: Physics (Aristotle) Author: Aristotle Date: between 1150 and 1175.
20. University of Pennsylvania, LJS 502 Title: De mysteriis Author: Ambrose Date: between 1075 and 1125?