Risālah fī istikhrāj sāʻāt mā bain ṭulūʻ al-fajr wa-ṭulūʻ al- shams . . ., extract only.

Author(s):

• Abū al-Ḥasan ibn Bāmshād, ʻAlī ibn ʻAbd Allāh, fl. 10th cent.

Manuscripts:

• MS. Thurston 3 (Bodleian Library, Oxford University)

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