Shāshī, Isḥāq ibn Ibrāhīm, -936 or 937 ; Qamar al-Dīn, Muḥammad. Uṣūl al-shāshī al-musammá bah Fuṣūl al-ḥawāshī. Maṭbaʻ Nawal Kishawr, 1896.