Ibid., p. 278. Majma' al-Bayan , Vol. Sirat ibn Hisham , Vol. Nahj al-Balagha , ed. Fayz, p. 83.
Italics are author's.
Sirat ibn Hisham , Vol. Muhammad, Payghambari ki az nau bayad shinakht , p. 45. Zamin, p. 43. Bucaille, op. cit. Jahan va Einstein , p. 112.