John Esposito, The Oxford Dictionary of Islam, Oxford University Press, 2003
“Nafh ut-Tīb min Ghasn il-Andalus ir-ratīb,” by Ahmad al-Muqrī al-Maghribī (3/158)
”al-Madkhal,” pg.205-206, and “Fiqh al-Imām al-Awza'i,” by ‘Abdullah Muhammed al-Jabūrī.
