[Footnote 67: For the first siege and conquest of Constantinople, we may read the original letter of the crusaders to Innocent III., Gesta, c. 91, p. 533, 534. Villehardouin, No. 75 - 99. Nicetas, in Alexio Comnen. l. iii. c. 10, p. 349 - 352. Dandolo, in Chron. p. 322. Gunther, and his abbot Martin, were not yet returned from their obstinate pilgrim age to Jerusalem, or St. John d'Acre, where the greatest part of the company had died of the plague.]