Andrea, Alfred J. Contemporary Sources for the Fourth Crusade. Medieval Mediterranean. Leiden: Brill, 2000. Print.
Angold, Michael. The Fourth Crusade: Event and Context. The medieval world. Harlow: Longman, 2003. Print.
---. ‘The Road to 1204: The Byzantine Background to the Fourth Crusade’. Journal of Medieval History 25.3 257–278. Web. <http://ezproxy.lib.gla.ac.uk/login?url=http://www-tandfonline-com/doi/full/10.1016/S1304-4184%2899%2900003-2>.
Bartlett, W. B. An Ungodly War: The Sack of Constantinople & the Fourth Crusade. Stroud: Sutton Publishing, 2000. Print.
Bull, Marcus Graham, and Norman Housley. The Experience of Crusading: Vol. 1: Western Approaches. Cambridge: Cambridge University Press, 2003. Print.
Choniates, Nicetas, and Harry J. Magoulias. O City of Byzantium: Annals of Niketas Choniatēs. Byzantine texts in translation. Detroit: Wayne State University Press, 1984. Print.
Clari, Robert de, Edgar Holmes McNeal, and American Council of Learned Societies. The Conquest of Constantinople. [no. 23]. New York: W.W. Norton, 1969. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://hdl.handle.net/2027/heb.05986>.
Gunther, and Alfred J. Andrea. The Capture of Constantinople: The Hystoria Constantinopolitana of Gunther of Pairis. Philadelphia: University of Pennsylvania Press, 1997. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=3441529>.
Harris, Jonathan. ‘The Debate on the Fourth Crusade’. History Compass 2.1 (2004): **-**. Web.
Hazard, Harry W., Robert Lee Wolff, and University of Wisconsin-Madison. Libraries. The Later Crusades, 1189-1311. 2nd ed. A history of the Crusades. Madison: University of Wisconsin Press, 1969. Web. <https://digital.library.wisc.edu/1711.dl/History.CrusTwo>.
‘Internet History Sourcebooks Project’. N.p., n.d. Web. <http://readinglists.glasgow.ac.uk/items/A2496854-8EDE-6FAD-E647-9A2174E95869>.
Joinville, Jean, Geoffroi de Villehardouin, and Margaret R. B. Shaw. Chronicles of the Crusades. Penguin classics. Harmondsworth: Penguin Books, 1963. Print.
Madden, Thomas F. ‘Outside and Inside the Fourth Crusade’. The International History Review 17.4 (1995): 726–743. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://www.jstor.org/stable/40107441>.
‘Medieval Sourcebook: Villehardouin: Memoirs or Chronicle of The Fourth Crusade and The Conquest of Constantinople’. N.p., n.d. Web. <https://sourcebooks.fordham.edu/basis/villehardouin.asp>.
Noble, Peter. ‘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 (2001): 399–416. Web.
Phillips, Jonathan. The Fourth Crusade and the Sack of Constantinople. London: Jonathan Cape, 2004. Print.
Queller, Donald E., and Thomas F. Madden. The Fourth Crusade: The Conquest of Constantinople. 2nd ed. Middle Ages series. Philadelphia, Pa: University of Pennsylvania Press, 1997. Print.
Ridyard, Susan J. and Sewanee Mediaeval Colloquium. The Medieval Crusade. Sewanee mediaeval studies. Woodbridge, Suffolk: Boydell Press, 2004. Print.
Shepard, Jonathan, ed. The Cambridge History of the Byzantine Empire C500-1492. Cambridge: Cambridge University Press, 2009. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1017/CHOL9780521832311>.
Tricht, Filip van. The Latin Renovatio of Byzantium: The Empire of Constantinople (1204-1228). The medieval Mediterranean : peoples, economies, and cultures, 400-1500. Leiden: Brill, 2011. Web. <https://ebookcentral.proquest.com/lib/gla/detail.action?docID=737788>.
Wolff, Robert Lee. ‘The `Second Bulgarian Empire.’ Its Origin and History to 1204’. Speculum 24.2 (1949): 167–206. Web. <https://ezproxy.lib.gla.ac.uk/login?url=https://www.jstor.org/stable/2848560>.
