52. University of Pennsylvania, LJS 172 Title: Tabulae directionum et profectionum Author: Regiomontanus Date: 1476
53. University of Pennsylvania, Oversize LJS 239 Title: Pattern-book of bridles, bits and straps Date: 1560
54. University of Pennsylvania, Oversize LJS 266 Title: La generacion de Adam Place: France Date: [between 1440 and 1460?]
55. University of Pennsylvania, Oversize LJS 224 Title: Expositio in libros Posteriorum Aristotelis Author: Paul of Venice Place: Verona Date: [between 1425 and 1475]
57. University of Pennsylvania, Oversize LJS 280 Title: Decretales Gregorii IX Author: Catholic Church Place: France Date: [between 1250 and 1299]
58. University of Pennsylvania, Oversize LJS 285 Title: Decreto di banco feneratitio, Author: Francesco III Gonzaga, Duke of Mantua Date: 1542.
60. University of Pennsylvania, LJS 289 Title: Algorismus Place: Italy Date: [between 1450 and 1475?]