Andrea, Alfred J. 2000. Contemporary Sources for the Fourth Crusade. Vol. Medieval Mediterranean. Leiden: Brill.
Angold, Michael. 2003. The Fourth Crusade: Event and Context. Vol. The medieval world. Harlow: Longman.
Angold, Michael. n.d. ‘The Road to 1204: The Byzantine Background to the Fourth Crusade’. Journal of Medieval History 25(3):257–78.
Anon. n.d.-a. ‘Internet History Sourcebooks Project’. Retrieved (http://readinglists.glasgow.ac.uk/items/A2496854-8EDE-6FAD-E647-9A2174E95869).
Anon. n.d.-b. ‘Medieval Sourcebook: Villehardouin: Memoirs or Chronicle of The Fourth Crusade and The Conquest of Constantinople’. Retrieved (https://sourcebooks.fordham.edu/basis/villehardouin.asp).
Bartlett, W. B. 2000. An Ungodly War: The Sack of Constantinople & the Fourth Crusade. Stroud: Sutton Publishing.
Bull, Marcus Graham, and Norman Housley. 2003. The Experience of Crusading: Vol. 1: Western Approaches. Cambridge: Cambridge University Press.
Choniates, Nicetas, and Harry J. Magoulias. 1984. O City of Byzantium: Annals of Niketas Choniatēs. Vol. Byzantine texts in translation. Detroit: Wayne State University Press.
Clari, Robert de, Edgar Holmes McNeal, and American Council of Learned Societies. 1969. The Conquest of Constantinople. Vol. [no. 23]. New York: W.W. Norton.
Gunther, and Alfred J. Andrea. 1997. The Capture of Constantinople: The Hystoria Constantinopolitana of Gunther of Pairis. Philadelphia: University of Pennsylvania Press.
Harris, Jonathan. 2004. ‘The Debate on the Fourth Crusade’. History Compass 2(1):**-**. doi: 10.1111/j.1478-0542.2004.00114.x.
Hazard, Harry W., Robert Lee Wolff, and University of Wisconsin-Madison. Libraries. 1969. The Later Crusades, 1189-1311. Vol. A history of the Crusades. 2nd ed. Madison: University of Wisconsin Press.
Joinville, Jean, Geoffroi de Villehardouin, and Margaret R. B. Shaw. 1963. Chronicles of the Crusades. Vol. Penguin classics. Harmondsworth: Penguin Books.
Madden, Thomas F. 1995. ‘Outside and Inside the Fourth Crusade’. The International History Review 17(4):726–43.
Noble, Peter. 2001. ‘The Importance of Old French Chronicles as Historical Sources of the Fourth Crusade and the Early Latin Empire of Constantinople’. Journal of Medieval History 27(4):399–416. doi: 10.1016/S0304-4181(01)00018-5.
Phillips, Jonathan. 2004. The Fourth Crusade and the Sack of Constantinople. London: Jonathan Cape.
Queller, Donald E., and Thomas F. Madden. 1997. The Fourth Crusade: The Conquest of Constantinople. Vol. Middle Ages series. 2nd ed. Philadelphia, Pa: University of Pennsylvania Press.
Ridyard, Susan J. and Sewanee Mediaeval Colloquium. 2004. The Medieval Crusade. Vol. Sewanee mediaeval studies. Woodbridge, Suffolk: Boydell Press.
Shepard, Jonathan, ed. 2009. The Cambridge History of the Byzantine Empire C500-1492. Cambridge: Cambridge University Press.
Tricht, Filip van. 2011. The Latin Renovatio of Byzantium: The Empire of Constantinople (1204-1228). Vol. The medieval Mediterranean : peoples, economies, and cultures, 400-1500. Leiden: Brill.
Wolff, Robert Lee. 1949. ‘The `Second Bulgarian Empire.’ Its Origin and History to 1204’. Speculum 24(2):167–206. doi: 10.2307/2848560.
