Risālah ilá Abī Muḥammad ʻAbd Allāh ibn ʻAli al-Ḥāsib fī ṭarīqai Abī Sahl al-Qūhī wa-shaikhihi Abī Ḥāmid al-Ṣaghānī fī ʻamal al-musabbaʻ al-musāwī al-aḍlāʻ fī al-dāʼirah. [Transcribed from MS. Thurston 3, ff. 133r-134r.]
- Manuscripts:
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.