Dhikr al-farq bayna al-aḥruf al-khamsah wa-hiya al-ẓāʾ, al-ḍād, al-dhāl, al-ṣād, al-sīn / Taʻlīf Abī Muḥammad ʻAbd Allāh ibn al-Sayyid al-Baṭalyawsī ; taḥqīq wa taʻlīq Ḥamzah ʻAbd Allāh al-Nashratī | lit.salon