241. A commentary (composed in 1454) on al-Risālah al-shamsīyah fī al-ḥisāb of Nīsābūrī, Niẓām al-Dīn al-Ḥasan ibn Muḥammad, d. 1328 or 9
242. Commentary* [different from MS. Bodl. Or. 581] on al-Sullam al-murawnaq of Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad, 1512 or 13-1575 or 6
251. A commentary (of which this is the autograph) on an original text discussing the meaning of the word Qurʼān [the title Asrār al-Qurʼān is a later addition to the book].
254. Commentary on al-Lumaʻ al-yasīrah fī ʻilm al-ḥisāb of Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412
255. Commentary on al-Manẓūmah al-Jazāʼirīyah fī al-tawḥīd of Aḥmad ibn ʻAbd Allāh al-Jazāʼirī d. 1497
256. Commentary on al-Maqṣad al-jalīl fī ʻilm al-khalīl of Ibn al-Ḥājib, ʻUthmān ibn ʻUmar, 1175-1249
258. Commentary on al-Minhāj [or Minhāj al-farāʼid ], a selection by Faraḍī, Maḥmūd ibn Abī Bakr, 1246 or 7-1300 from his own Ḍawʼ al-sirāj , a commentary on al-Farāʼiḍ al-Sirājīyah of Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, 12th cent.