531. University of Pennsylvania, LJS 379 Title: Edicts concerning Jews Author: Ferdinando I de' Medici Place: Florence Date: [after 1593]
532. University of Pennsylvania, LJS 37 Title: Elements Author: Euclid Place: Egypt Date: A.H. 502 (1108-1109)
533. University of Pennsylvania, LJS 380 Title: Pros mathēmatikous Author: Sextus Empiricus Place: Italy Date: [between 1430 and 1450]
534. University of Pennsylvania, LJS 381 Title: Crispi Sallustii de Catheline conjuracione liber ; Jugurtinum bellum eiusdem. Author: Sallust Place: Padua Date: [between 1455 and 1465?]
535. University of Pennsylvania, LJS 382 Title: Alchemical texts Author: Georg Hayniger Place: Vienna Date: [circa 1476]
537. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
539. University of Pennsylvania, LJS 386 Title: Mīzān al-ḥikmah Author: Al-Khazini Date: [1250?-1350?]
540. University of Pennsylvania, LJS 387 Title: al-Qāmūs al-muḥīṭ Author: Fairuzabadi Place: Iran Date: [between 1350 and 1450?]