1. University of Pennsylvania, LJS 26 Title: Algorismus Author: Johannes de Sacrobosco Place: Italy Date: [between 1225 and 1275]
2. University of Pennsylvania, LJS 216 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Paris Date: [between 1256 and 1270]
4. University of Pennsylvania, LJS 312 Title: ʻIr siḥon. Author: Joseph ben Moses Sarfati Place: Spain Date: [14--]
5. University of Pennsylvania, Oversize LJS 481 Title: Ḥaṭṭ al-niqāb ʻan wujūh aʻmāl al-ḥisāb Author: Aḥmad ibn Ḥusayn Ibn al Qunfudh Place: Morocco Date: [between 14--? and 16--?]
6. University of Pennsylvania, Oversize LJS 496 Title: Treatise on practical mathematical calculation Place: Italy Date: [between 1475 and 1499]
7. Princeton University, Kane MS. 50. Title: De institutione arithmetica Place: England Date: between 1200 and 1400
8. Princeton University, Islamic Manuscripts, Garrett no. 525H. Title: Arabic texts of mathematics Place: Mardin Date: 16--
9. Princeton University, Islamic Manuscripts, Garrett no. 538H. Title: Majmūʻah ḥisābīyah Date: not after 1842