[1]
Andrea, A.J. 2000. Contemporary sources for the Fourth Crusade. Brill.
[2]
Angold, M. 2003. The Fourth Crusade: event and context. Longman.
[3]
Angold, M. The road to 1204: the Byzantine background to the Fourth Crusade. Journal of Medieval History. 25, 3, 257–278.
[4]
Bartlett, W.B. 2000. An ungodly war: the sack of Constantinople & the Fourth Crusade. Sutton Publishing.
[5]
Bull, M.G. and Housley, N. 2003. The experience of crusading: Vol. 1: Western approaches. Cambridge University Press.
[6]
Choniates, N. and Magoulias, H.J. 1984. O city of Byzantium: Annals of Niketas Choniatēs. Wayne State University Press.
[7]
Clari, R. de et al. 1969. The conquest of Constantinople. W.W. Norton.
[8]
Gunther and Andrea, A.J. 1997. The capture of Constantinople: the Hystoria Constantinopolitana of Gunther of Pairis. University of Pennsylvania Press.
[9]
Harris, J. 2004. The Debate on the Fourth Crusade. History Compass. 2, 1 (Jan. 2004), **-**. DOI:https://doi.org/10.1111/j.1478-0542.2004.00114.x.
[10]
Hazard, H.W. et al. 1969. The later Crusades, 1189-1311. University of Wisconsin Press.
[11]
Internet History Sourcebooks Project: http://readinglists.glasgow.ac.uk/items/A2496854-8EDE-6FAD-E647-9A2174E95869.
[12]
Joinville, J. et al. 1963. Chronicles of the Crusades. Penguin Books.
[13]
Madden, T.F. 1995. Outside and Inside the Fourth Crusade. The International History Review. 17, 4 (1995), 726–743.
[14]
Medieval Sourcebook: Villehardouin: Memoirs or Chronicle of The Fourth Crusade and The Conquest of Constantinople: https://sourcebooks.fordham.edu/basis/villehardouin.asp.
[15]
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 (Dec. 2001), 399–416. DOI:https://doi.org/10.1016/S0304-4181(01)00018-5.
[16]
Phillips, J. 2004. The Fourth Crusade and the sack of Constantinople. Jonathan Cape.
[17]
Queller, D.E. and Madden, T.F. 1997. The Fourth Crusade: the conquest of Constantinople. University of Pennsylvania Press.
[18]
Ridyard, S.J. and Sewanee Mediaeval Colloquium 2004. The medieval crusade. Boydell Press.
[19]
Shepard, J. ed. 2009. The Cambridge History of the Byzantine Empire c500-1492. Cambridge University Press.
[20]
Tricht, F. van 2011. The Latin renovatio of Byzantium: the Empire of Constantinople (1204-1228). Brill.
[21]
Wolff, R.L. 1949. The `Second Bulgarian Empire.’ Its Origin and History to 1204. Speculum. 24, 2 (Apr. 1949), 167–206. DOI:https://doi.org/10.2307/2848560.