On the desire of ʿUthmān Khalīl to join his brother, the muqaddim Ādam Qadīr, who participates to the siege of Sawākin.
- This text has been edited in Muḥammad Ibrāhīm Abū Salīm, Muḥarrarāt ʿUthmān Diqna, Khartoum, Markaz Abū Salīm li-l-dirāsāt, 2004. See letter 188
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