Title: Risālat qilādat al-shumūs wa-istikhrāj qawāʾid al-usūs. Tuḥfat al-fuḥūl fī tamhīd al-uṣūl fī uṣūl ʻilm al-baḥr. Kitāb sharḥ tuḥfat al-fuḥūl fī tamhīd al-uṣūl fī uṣūl ʻilm al-baḥr
Subjects: Early works to 1800, Navigation