4. University of Pennsylvania, Oversize LJS 473 Title: L'arte del navegare Place: Venice Date: 1464-1465.
5. University of Pennsylvania, LJS 484 Title: Mulomedicina Author: Vegetius Place: Ferrara Date: [between 1450 and 1475]
6. University of Pennsylvania, LJS 488 Title: Summa de arithmetica, geometria, proportioni et proportionalità Author: Luca Pacioli Place: Venice Date: [after 1494]
7. University of Pennsylvania, Oversize LJS 496 Title: Treatise on practical mathematical calculation Place: Italy Date: [between 1475 and 1499]
9. University of Pennsylvania, Misc Mss Box 6 Folder 50 Title: Miscellany Author: Pacholo Falconieri Date: 1467.
10. University of Pennsylvania, Oversize Ms. Codex 102 Title: Account book Author: Alamanno de' Medici Place: Florence Date: 1468-1488.