1. University of Pennsylvania, Oversize LJS 20 Title: Carta executoria de hidalguia a pedimiento Author: Spain Date: 1578
3. University of Pennsylvania, Oversize LJS 19 Title: Carta executoria de hidalguia a pedimiento Author: Spain Date: 1553
5. University of Pennsylvania, Oversize LJS 212 Title: Manuscript leaf from expense records Date: 1380.
8. University of Pennsylvania, LJS 267 Title: De ludo schacchorum seu de moribus hominum et officiis nobilium ... etc Date: 1409
10. University of Pennsylvania, LJS 172 Title: Tabulae directionum et profectionum Author: Regiomontanus Date: 1476