21. University of Pennsylvania, LJS 115 Title: Summa de poenitentia Author: Raymond of Penyafort Date: between 1225 and 1275.
23. University of Pennsylvania, LJS 172 Title: Tabulae directionum et profectionum Author: Regiomontanus Date: 1476
24. University of Pennsylvania, Oversize LJS 224 Title: Expositio in libros Posteriorum Aristotelis Author: Paul of Venice Place: Verona Date: [between 1425 and 1475]
27. Conception Abbey and Seminary, CA 19 Title: Decretals of Gregory IX, commentary on Place: undetermined
28. Conception Abbey and Seminary, CA 35 Title: Meteorologica Author: Aristotle Place: France Date: s. XIV, 1300-1399