42. University of Pennsylvania, LJS 194 Title: Geometry Author: Sylvester II Place: Austria Date: [between 1125 and 1175]
43. University of Pennsylvania, LJS 267 Title: De ludo schacchorum seu de moribus hominum et officiis nobilium ... etc Date: 1409
45. University of Pennsylvania, LJS 198 Title: De simplicibus Author: Arnaldus de Villa Nova Place: Spain Date: [between 1350 and 1380]
46. University of Pennsylvania, LJS 115 Title: Summa de poenitentia et matrimonio Author: Raymond of Penyafort Date: between 1225 and 1275.
49. University of Pennsylvania, Oversize LJS 174 Title: Alphonsine tables Place: Prague Date: 1401-1404.
50. University of Pennsylvania, Oversize LJS 254 Title: Buch von den probierten Kü̈̈nsten Author: Franz Helm Date: 1562
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]
59. Conception Abbey and Seminary, CA 19 Title: Decretals of Gregory IX, commentary on Place: undetermined
60. Conception Abbey and Seminary, CA 35 Title: Meteorologica Author: Aristotle Place: France Date: s. XIV, 1300-1399