The Fourth Crusade continues, with the assault on Zara, a long winter in the city, and one reasonable occasion to go to Constantinople.
- Geoffrey de Villehardouin. Memoirs or Chronicle of The Fourth Crusade and The Conquest of Constantinople, translated by Frank T. Marzials. J.M. Dent, 1908.
- Three Old French Chronicles Of The Crusades: The History Of The Holy War; The History Of Them That Took Constantinople; The Chronicle Of Reims, translated by Edward Noble Stone. University Of Washington Publications In The Social Sciences, 1939.
- O City of Byzantium, Annals of Niketas Choniates, translated by Harry J. Magoulias. Wayne State University Press, 1984.
- Madden, Thomas F. Enrico Dandolo and the Rise of Venice. The Johns Hopkins University Press, 2003.
- Madden, Thomas F. Venice: A New History. Viking, 2012.
- Queller, Donald E. The Fourth Crusade: The Conquest of Constantinople, 1201-1204. Leicester University Press, 1978.