41. University of Pennsylvania, Oversize LJS 359 Title: Qānūn fī al-ṭibb Author: Avicenna Place: England Date: [between 1250 and 1299]
42. University of Pennsylvania, LJS 379 Title: Edicts concerning jews Author: Ferdinando I de' Medici Place: Florence Date: [after 1593]
43. University of Pennsylvania, LJS 380 Title: Pros mathēmatikous Author: Sextus Empiricus Place: Italy Date: [between 1430 and 1450]
44. University of Pennsylvania, LJS 381 Title: Crispi Sallustii de Catheline conjuracione liber ; Jugurtinum bellum eiusdem. Author: Sallust Place: Padua Date: [between 1455 and 1465?]
45. University of Pennsylvania, LJS 382 Title: Alchemical miscellany Author: Georg Hayniger Place: Vienna Date: [circa 1476]
46. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
48. University of Pennsylvania, LJS 386 Title: Mīzān al-ḥikmah Author: Al-Khazini Date: [1250?-1350?]
49. 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?]
50. University of Pennsylvania, LJS 395 Title: De proprietatibus rerum Author: Bartholomew Anglicus Date: 1200s.