Isḥāq ibn Ibrāhīm al-Shāshī ; taṣḥīḥ ‘Abd Allāh Ḥanfī (1286 [1869 or 1870]) Fuṣūl al-ḥawāshī li-Uṣūl al-Shāshī. Maṭbaʻ-i Muḥammadī. ISBN: .