Andrea, A.J. (2000) Contemporary sources for the Fourth Crusade. Leiden: Brill.
Angold, M. (2003) The Fourth Crusade: event and context. Harlow: Longman.
Angold, M. (no date) ‘The road to 1204: the Byzantine background to the Fourth Crusade’, Journal of Medieval History, 25(3), pp. 257–278. Available at: http://ezproxy.lib.gla.ac.uk/login?url=http://www-tandfonline-com/doi/full/10.1016/S1304-4184%2899%2900003-2.
Bartlett, W.B. (2000) An ungodly war: the sack of Constantinople & the Fourth Crusade. Stroud: Sutton Publishing.
Bull, M.G. and Housley, N. (2003) The experience of crusading: Vol. 1: Western approaches. Cambridge: Cambridge University Press.
Choniates, N. and Magoulias, H.J. (1984) O city of Byzantium: Annals of Niketas Choniatēs. Detroit: Wayne State University Press.
Clari, R. de, McNeal, E.H., and American Council of Learned Societies (1969) The conquest of Constantinople [electronic resource]. New York: W.W. Norton. Available at: https://ezproxy.lib.gla.ac.uk/login?url=https://hdl.handle.net/2027/heb.05986.
Gunther and Andrea, A.J. (1997) The capture of Constantinople: the Hystoria Constantinopolitana of Gunther of Pairis [electronic resource]. Philadelphia: University of Pennsylvania Press. Available at: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=3441529.
Harris, J. (2004) ‘The Debate on the Fourth Crusade’, History Compass, 2(1), p. **-**. Available at: https://doi.org/10.1111/j.1478-0542.2004.00114.x.
Hazard, H.W., Wolff, R.L., and University of Wisconsin-Madison. Libraries (1969) The later Crusades, 1189-1311 [electronic resource]. 2nd ed. Madison: University of Wisconsin Press. Available at: https://digital.library.wisc.edu/1711.dl/History.CrusTwo.
Internet History Sourcebooks Project (no date). Available at: http://readinglists.glasgow.ac.uk/items/A2496854-8EDE-6FAD-E647-9A2174E95869.
Joinville, J., Villehardouin, G. de and Shaw, M.R.B. (1963) Chronicles of the Crusades. Harmondsworth: Penguin Books.
Madden, T.F. (1995) ‘Outside and Inside the Fourth Crusade’, The International History Review, 17(4), pp. 726–743. Available at: 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 (no date). Available at: https://sourcebooks.fordham.edu/basis/villehardouin.asp.
Noble, P. (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), pp. 399–416. Available at: https://doi.org/10.1016/S0304-4181(01)00018-5.
Phillips, J. (2004) The Fourth Crusade and the sack of Constantinople. London: Jonathan Cape.
Queller, D.E. and Madden, T.F. (1997) The Fourth Crusade: the conquest of Constantinople. 2nd ed. Philadelphia, Pa: University of Pennsylvania Press.
Ridyard, S.J. and Sewanee Mediaeval Colloquium (2004) The medieval crusade. Woodbridge, Suffolk: Boydell Press.
Shepard, J. (ed.) (2009) The Cambridge History of the Byzantine Empire c500-1492. Cambridge: Cambridge University Press. Available at: https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1017/CHOL9780521832311.
Tricht, F. van (2011) The Latin renovatio of Byzantium: the Empire of Constantinople (1204-1228). Leiden: Brill. Available at: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=737788.
Wolff, R.L. (1949) ‘The `Second Bulgarian Empire.’ Its Origin and History to 1204’, Speculum, 24(2), pp. 167–206. Available at: https://doi.org/10.2307/2848560.
