1. Al-Dhahabī, Siyar A'lām al-Nubalā', Beirut, 1981.
2. Dozy, R.P.A., Spanish Islam, trans. Francis Griffin Stokes, London, 1913.
3. El alfaquí beréber Yaḥyā b. Yaḥyā al-Layṯī (m. 234/848), 'el inteligente de al-Andalus;Fierro,1997
4. Nómina de sabios de al-Andalus (93-350/711-961);Marín,1988
5. Montagu, Ewen, The Man Who Never Was, London, 1953.