441. University of Pennsylvania, Oversize LJS 48 Title: Instrumenta feudorum castri Sone : cum privilegio comitatus in personam Don Ioannis et fratrum ac descendentium de Faelis. Place: Verona Date: 1504-1530.
443. University of Pennsylvania, LJS 493 Title: Physics (Aristotle) Author: Aristotle Date: between 1150 and 1175.
444. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]
446. University of Pennsylvania, Oversize LJS 501 Title: Bāriʻ fī aḥkām al-nujūm Author: Haly Abenragel Place: England Date: [approximately 1320]
447. University of Pennsylvania, LJS 502 Title: De mysteriis Author: Ambrose Date: between 1075 and 1125?
448. University of Pennsylvania, LJS 54 Title: Cartulary Author: Magister Contarinus Place: Padua Date: [between 1227 and 1237]
449. University of Pennsylvania, LJS 56 Title: Logica parva Author: Paul of Venice Place: Padua Date: 1420.
450. University of Pennsylvania, LJS 59 Title: Dogale Author: Leonardo Loredan Place: Venice Date: 1517.