*"Pedro the Cruel of Castile 1350-1359" (The Medieval Mediterranean : Peoples, Economies and Cultures, 400-1453, Vol 6) by Clara Esto; Brill Academic Publishers, 1995*"The Three Great Sultans of al-Dawla al-Ismā'īliyya al-Naṣriyya Who Built the Fourteenth-Century Alhambra: Ismā'īl I, Yūsuf I, Muḥammad V (713-793/1314-1391)" Antonio Fernández-Puertas, Journal of the Royal Asiatic Society, Third Series, Vol.
* "Pedro the Cruel of Castile 1350—1359" (The Medieval Mediterranean : Peoples, Economies and Cultures, 400—1453, Vol 6) by Clara Esto; Brill Academic Publishers, 1995* "The Three Great Sultans of al-Dawla al-Ismā'īliyya al-Naṣriyya Who Built the Fourteenth-Century Alhambra: Ismā'īl I, Yūsuf I, Muḥammad V (713—793/1314-1391)" Antonio Fernández-Puertas, Journal of the Royal Asiatic Society, Third Series, Vol.