Ibn Hallikan. Wafayât al-Áyân (Biographical Dictionary) (ed. F. Wüstenfeld, Göttingen, 1835-1840); Eng. tr. by MacGuckin de Slane (Paris and London, 1842-1871).
Layard, Sir A. H. Nineveh and its Remains (2d ed., London, 1849; new ed., New York, 1853); Discoveries among the Ruins of Nineveh and Babylon (London, 1853).
Badger, G. P. Nestorians and their Rituals (London, 1852).
Siouffi, N. In Journal asiatique (Paris, 1882 and 1885).
Menant, J. Les Yezidiz, Annales du Musée Guimet (Paris, 1892).
Parry, O. H. Six Months in a Syrian Monastery (London, 1895).
Huart, Clément. History of Arabic Literature, p. 272 f. (London and New York, 1903).
Jackson, A. V. W. In Journal of the American Oriental Society, vol. xxv, p. 178 ff. (1904); Sketch in his Persia, Past and Present (New York, 1906).
Article "Yesidis" in New International Encyclopædia (New York, 1905).
Lidzbarski, M. In Zeitschrift der deutschen morgenländischen Gesellschaft, vol. li (Leipzig).