Ḏikr al-farq baina 'l-aḥruf al-ḫamsa wa-hiya aẓ-ẓāʾ, aḍ-ḍād, aḏ-ḏāl, aṣ-ṣād, as-sīn - Baṭalyausī, ʿAbdallāh Ibn-Muḥammad al- 1052-1127 (Dār al-Mirrīḫ, 1982)
In arab. Schr., arab. - Bibliography: p. 445-448. - Includes indexes