See the Chronology of the Atabeks of Irak and Syria, in De Guignes, tom. i. p. 254; and the reigns of Zenghi and Noureddin in the same writer (tom. ii. p. ii. p. 147 - 221), who uses the Arabic text of Benelathir, Ben Schouna and Abulfeda; the Bibliotheque Orientale, under the articles Atabeks and Noureddin, and the Dynasties of Abulpharagius, p. 250 - 267, vers. Pocock.