1. University of Pennsylvania, LJS 172 Title: Tabulae directionum et profectionum Author: Regiomontanus Date: 1476
3. University of Pennsylvania, LJS 300 Title: Calendarium and ephemerides. Author: Regiomontanus Place: Lambach Date: [circa 1500]
5. University of Pennsylvania, Oversize LJS 473 Title: L'arte del navegare Place: Venice Date: 1464-1465.
6. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]