[k] J. F. Michaud, Bibliothèque des Croisades.
Chapter V. The Fourth to the Sixth Crusades
[b] V. Duruy, op. cit.
[c] Charles Mills, op. cit.
[d] J. F. Michaud, op. cit.
[e] A. Jourdain, A Letter to Michaud on the Children’s Crusade.
[f] Fuller, op. cit.
[g] Geoffrey de Villehardouin, Conquête de Constantinople.
Chapter VI. The Last Crusades
[b] C. Mills, op. cit.