Stevenson 1926, pp. 250. Stevenson, William B. (1926). "Chapter VI. Islam in Syria and Egypt (750–1100)". In Bury, John Bagnell (ed.). The Cambridge Medieval History, Volume V: Contest of Empire and Papacy. New York: The Macmillan Company. pp. 242–264.
Stevenson 1926, pp. 250–251. Stevenson, William B. (1926). "Chapter VI. Islam in Syria and Egypt (750–1100)". In Bury, John Bagnell (ed.). The Cambridge Medieval History, Volume V: Contest of Empire and Papacy. New York: The Macmillan Company. pp. 242–264.
Stevenson 1926, pp. 251–252. Stevenson, William B. (1926). "Chapter VI. Islam in Syria and Egypt (750–1100)". In Bury, John Bagnell (ed.). The Cambridge Medieval History, Volume V: Contest of Empire and Papacy. New York: The Macmillan Company. pp. 242–264.
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El Tayib 1990, p. 326. El Tayib, Abdullah (1990). "Abū Firās al-Ḥamdānī". In Ashtiany, Julia; Johnstone, T. M.; Latham, J. D.; Serjeant, R. B.; Smith, G. Rex (eds.). ʿAbbasid Belles-Lettres. Cambridge: Cambridge University Press. pp. 315–327. ISBN0-521-24016-6.