2. University of Pennsylvania, LJS 384 Title: Philosophia mundi Author: William of Conches Place: Germany Date: [circa 1150]
3. University of Pennsylvania, LJS 434 Title: Jadāvil-i ikhtiyārāt Place: Iran Date: approximately A.H. 912 (1507)
4. University of Pennsylvania, LJS 499 Title: Igeret orḥot ʻolam Author: Abraham ben Mordecai Farissol Place: Italy Date: [after 1525]
6. University of Kansas, Pryce MS P4 Title: La sfera Author: Gregorio Dati Place: Italy Date: [between 1451 and 1475]
8. Boston Public Library, MS f Med.125 Title: La sfera]. Author: Gregorio Dati Place: Pesaro Date: die vii Augusti 1484.