On the management of the title (ʿushr) and the slaves; absence of correspondence with the qāʾid 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 176
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