265. Risālah fī istikhrāj daqāʼiq ḥudūd ikhtilāf manẓar al-qamar al-mustaʻmalah fī al-Majisṭī. [Transcribed from MS. Thurston 3, f. 93v l. xviii - f. 94r l. xii.]
268. Risālah fī istikhrāj watar al-musabbaʻ. [Transcribed from MS. Thurston 3, f. 131r l. xxi - f. 131v l. xxvii.]
277. Risālah fī majāzāt dawāʼir al-sumūt fī al-asṭurlāb. [Transcribed from MS. Thurston 3, f. 124r l. xvii - f. 126v l. xvii.]