Faṣl fī taʻdīl azmān al-khusūf, apparently from al-Zīj al-jāmiʻ. [Transcribed from MS. Thurston 3, f. 74v.]

Author(s):

• Abū al-Ḥasan Kūshyār Ibn Labbān al-Jīlī

Manuscripts:

• MS. Marsh 720 (Bodleian Library, Oxford University)
• MS. Thurston 3 (Bodleian Library, Oxford University)

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