al-Risālah al-shamsīyah fī al-ḥisāb

Author(s):

• Nīsābūrī, Niẓām al-Dīn al-Ḥasan ibn Muḥammad, d. 1328 or 9

Manuscripts:

• MS. Marsh 578 (Bodleian Library, Oxford University) — 17th Century
• MS. Selden superius 44 (Bodleian Library, Oxford University) — 15th Century

The above references reflect only the current coverage of the online catalogue and may not be comprehensive.