The defeat and captivity of Romanus Diogenes may be found in John Scylitzes ad calcem Cedreni, tom. ii. p. 835 - 843. Zonaras, tom. ii. p. 281 - 284. Nicephorus Bryennius, l. i. p. 25 - 32. Glycas, p. 325 - 327. Constantine Manasses, p. 134. Elmacin, Hist. Saracen. p. 343 344. Abulpharag. Dynast. p. 227. D'Herbelot, p. 102, 103. D Guignes, tom. iii. p. 207 - 211. Besides my old acquaintance Elmacin and Abulpharagius, the historian of the Huns has consulted Abulfeda, and his epitomizer Benschounah, a Chronicle of the Caliphs, by Abulmahasen of Egypt, and Novairi of Africa.