1. University of Pennsylvania, Oversize LJS 211 Title: Roger Bigod deed Author: Roger Bigod, 2nd Earl of Norfolk Date: ca. 1201-1205.
2. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
3. University of Pennsylvania, Oversize LJS 25 Title: Metaphysics Author: Aristotle Place: Italy Date: [1275-1299?]
4. University of Pennsylvania, LJS 23 Title: De natura rerum Author: Thomas of Cantimpré Place: France Date: [between 1250 and 1275]
5. University of Pennsylvania, Oversize LJS 24 Title: Medical miscellany Author: Isaac Israeli ben Solomon Place: Paris Date: [between 1225 and 1275]
7. University of Pennsylvania, Oversize LJS 184 Title: Etymologies Author: Isidore of Seville Place: Catalonia Date: [between 1265 and 1299]
8. University of Pennsylvania, LJS 216 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Paris Date: [between 1256 and 1270]
9. University of Pennsylvania, LJS 115 Title: Summa de poenitentia Author: Raymond of Penyafort Date: between 1225 and 1275.
10. University of Pennsylvania, Oversize LJS 280 Title: Decretales Gregorii IX Author: Catholic Church Place: France Date: [between 1250 and 1299]