The expedition of Tabuc is recorded by our ordinary historians Abulfeda (Vit. Moham. p. 123 - 127) and Gagnier, (Vie de Mahomet, tom. iii. p. 147 - 163: ) but we have the advantage of appealing to the original evidence of the Koran, (c. 9, p. 154, 165,) with Sale's learned and rational notes.