41. University of Pennsylvania, LJS 382 Title: Alchemical texts Author: Georg Hayniger Place: Vienna Date: [circa 1476]
42. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
43. University of Pennsylvania, LJS 386 Title: Mīzān al-ḥikmah Author: Al-Khazini Date: [1250?-1350?]
44. University of Pennsylvania, LJS 387 Title: al-Qāmūs al-muḥīṭ Author: Fairuzabadi Place: Iran Date: [between 1350 and 1450?]
45. University of Pennsylvania, LJS 388 Title: Mulakhkhaṣ fī al-hayʼah Author: Jaghmini Place: Iran Date: A.H. 786 (1384)
46. University of Pennsylvania, Oversize LJS 391 Title: Kitāb al-Manṣūrī Author: Abu Bakr al-Razi Date: between 1200 and 1225?
47. University of Pennsylvania, LJS 393 Title: Sharḥ Fusūl Ibuqrāṭ Author: Abū al-Qāsim ʻAbd al-Raḥmān ibn ʻAlī ibn Abī Ṣādiq al Nīsābūrī Place: Egypt Date: [between 1300 and 1399?]
48. University of Pennsylvania, LJS 394 Title: Ṣiḥāḥ Author: Ismail ibn Hammad al-Jawhari Place: Egypt Date: [13--?]
49. University of Pennsylvania, LJS 395 Title: De proprietatibus rerum Author: Bartholomew Anglicus Date: 1200s.
50. University of Pennsylvania, LJS 398 Title: Maqālah fī khalq al-insān Author: Saʻīd ibn Hibat Allāh ibn al-Ḥusayn Place: Syria Date: A.H. 689 (1290)