In the incipit "Muḥammad" is written over an erased "Ibrāhīm," and there is also an erasure in the same place on the title page. It is not clear whether the change is the author's own legitimate correction, or a case of plagiarism.

For the supposed author see Brockelmann, S II, p. 743.

The hand writing is entirely different from that of Landberg MSS 9, also presumably a holograph, so the authors are not identical.

Fair naskhī, in red and black.

Treatise on the water-level of the Nile.

Presumably a holograph.