On the integration of the tribes of the Ruṭāna (Ḥadanduwa, Ḥalānqa and others) in the region of Kasalā and their role in cultivation; the position of the enemy in Kasalā.
- This text has been edited in Muḥammad Ibrāhīm Abū Salīm, Muḥarrarāt ʿUthmān Diqna, Khartoum, Markaz Abū Salīm li-l-dirāsāt, 2004. See letter 366
10/12/1312