These literary anecdotes are borrowed from the Bibliotheca Arabico-Hispana, (tom. ii. p. 38, 71, 201, 202,) Leo Africanus, (de Arab. Medicis et Philosophis, in Fabric. Bibliot. Graec. tom. xiii. p. 259 - 293, particularly p. 274,) and Renaudot, (Hist. Patriarch. Alex. p. 274, 275, 536, 537,) besides the chronological remarks of Abulpharagius.