1. University of Pennsylvania, LJS 191 Title: Commentary on the Ephemerides of Regiomontanus Author: Bartholomäus Mariensüss Date: 1496
3. University of Pennsylvania, Oversize LJS 16 Title: Speculum historiale Author: Vincent of Beauvais Date: 1400
4. University of Pennsylvania, LJS 229 Title: Commentaries on Aristotle and Porphyry Place: Provence Date: [between 1450 and 1499]
5. University of Pennsylvania, Oversize LJS 211 Title: Roger Bigod deed Author: Roger Bigod, 2nd Earl of Norfolk Date: ca. 1201-1205.
6. University of Pennsylvania, Oversize LJS 124 Title: Speculum historiale Author: Vincent of Beauvais Date: ca. 1400.
7. University of Pennsylvania, Oversize LJS 189 Author: Zayn al-Din Gorgani Place: Persia Date: [between 1300 and 1399?]
8. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
9. University of Pennsylvania, LJS 220 Title: Recueil de diverses recettes médécinales Place: France Date: [between 1475 and 1490]
10. University of Pennsylvania, Oversize LJS 20 Title: Carta executoria de hidalguia a pedimiento Author: Spain Date: 1578
11. University of Pennsylvania, Oversize LJS 278 Title: De materia medica Author: Pedanius Dioscorides Place: Deccan Date: A.H. 1004 (1595) or 1054 (1645)
12. University of Pennsylvania, Oversize LJS 25 Title: Metaphysics (Aristotle) Author: Aristotle Place: Italy Date: [1275-1299?]
14. University of Pennsylvania, LJS 236 Title: Thesaurus pauperum Author: John XXI Place: Italy Date: [1450-1499?]
16. University of Pennsylvania, LJS 225 Title: Litterarum simulationis liber Author: Michele Zopello Place: Rome Date: [between 1455 and 1458]
17. University of Pennsylvania, Oversize LJS 231 Title: Statutum habelle communum et terrarum Barge Date: 1346
18. University of Pennsylvania, Oversize LJS 177 Title: Paludi Pontine Place: Italy Date: [1586-1760?]
19. University of Pennsylvania, LJS 188 Title: Ynstruction of the ephimeredes Author: Johannes Schöner Date: 1540
20. University of Pennsylvania, LJS 23 Title: De natura rerum Author: Thomas of Cantimpré Place: France Date: [between 1250 and 1275]