On the joining of Muḥammad Sharaf al-Dīn with his group coming from Atbara to the detachment of ʿUthmān Diqna.
- This text has been edited in Muḥammad Ibrāhīm Abū Salīm, Muḥarrarāt ʿUthmān Diqna, Khartoum, Markaz Abū Salīm li-l-dirāsāt, 2004. See letter 183
29/04/1307