Risālat al-Qayrawānī. - Ibn Abī Zayd al-Qayrawānī, ʻAbd Allāh ibn ʻAbd al-Raḥmān, active 10th century. (Maṭbaʻat Muṣṭafá al-Bābī al-Ḥalabī wa-awlāduhu, 1949)