Note 476:1 — Chapter XX · THE SIGNIFICANCE OF THE CRUSADES
Reading edition
Gilman, The Saracens; Ameer Ali, Life and Teachings of Mohammed and A Short History of the Saracens; Muir, Life of Mohammed and Annals of the Early Caliphate; Lane-Poole, Speeches and Table Talk of the Prophet Mohammed; Gibbon, v., ch. 50, 51; various eds. of the Koran.