On the formation of the banner of Aḥmad al-Naṣrī Idrīs, who asked that his group may join him.
- This text has been edited in Muḥammad Ibrāhīm Abū Salīm, Muḥarrarāt ʿUthmān Diqna, Khartoum, Markaz Abū Salīm li-l-dirāsāt, 2004. See letter 170
19/09/1306