[c] Matthew of Paris, Historia Major.
[d] Fuller, op. cit.
[e] V. Duruy, op. cit.
[f] John de Joinville, Memoirs of Louis IX.
[g] Makrizi, The Book of Paths for the Knowledge of Kings.
Chapter VII. Consequences of the Crusades
[b] J. G. von Herder, Philosophy of the History of Man.
[c] C. Mills, op. cit.
[d] E. Gibbon, op. cit.
[e] Choiseul d’Aillecourt, De l’influence des Croisades.