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M. Angold, ‘The road to 1204: the Byzantine background to the Fourth Crusade’, Journal of Medieval History, vol. 25, no. 3, pp. 257–278 [Online]. Available: http://ezproxy.lib.gla.ac.uk/login?url=http://www-tandfonline-com/doi/full/10.1016/S1304-4184%2899%2900003-2
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J. Harris, ‘The Debate on the Fourth Crusade’, History Compass, vol. 2, no. 1, p. **-**, Jan. 2004, doi: 10.1111/j.1478-0542.2004.00114.x.
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T. F. Madden, ‘Outside and Inside the Fourth Crusade’, The International History Review, vol. 17, no. 4, pp. 726–743, 1995 [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://www.jstor.org/stable/40107441
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P. Noble, ‘The importance of Old French chronicles as historical sources of the Fourth Crusade and the early Latin Empire of Constantinople’, Journal of Medieval History, vol. 27, no. 4, pp. 399–416, Dec. 2001, doi: 10.1016/S0304-4181(01)00018-5.
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H. W. Hazard, R. L. Wolff, and University of Wisconsin-Madison. Libraries, The later Crusades, 1189-1311, 2nd ed., vol. A history of the Crusades. Madison: University of Wisconsin Press, 1969 [Online]. Available: https://digital.library.wisc.edu/1711.dl/History.CrusTwo
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J. Joinville, G. de Villehardouin, and M. R. B. Shaw, Chronicles of the Crusades, vol. Penguin classics. Harmondsworth: Penguin Books, 1963.
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‘Medieval Sourcebook: Villehardouin: Memoirs or Chronicle of The Fourth Crusade and The Conquest of Constantinople’. [Online]. Available: https://sourcebooks.fordham.edu/basis/villehardouin.asp
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Gunther and A. J. Andrea, The capture of Constantinople: the Hystoria Constantinopolitana of Gunther of Pairis. Philadelphia: University of Pennsylvania Press, 1997 [Online]. Available: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=3441529
[9]
N. Choniates and H. J. Magoulias, O city of Byzantium: Annals of Niketas Choniatēs, vol. Byzantine texts in translation. Detroit: Wayne State University Press, 1984.
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R. de Clari, E. H. McNeal, and American Council of Learned Societies, The conquest of Constantinople, vol. [no. 23]. New York: W.W. Norton, 1969 [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://hdl.handle.net/2027/heb.05986
[11]
A. J. Andrea, Contemporary sources for the Fourth Crusade, vol. Medieval Mediterranean. Leiden: Brill, 2000.
[12]
S. J. Ridyard and Sewanee Mediaeval Colloquium, The medieval crusade, vol. Sewanee mediaeval studies. Woodbridge, Suffolk: Boydell Press, 2004.
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M. Angold, The Fourth Crusade: event and context, vol. The medieval world. Harlow: Longman, 2003.
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W. B. Bartlett, An ungodly war: the sack of Constantinople & the Fourth Crusade. Stroud: Sutton Publishing, 2000.
[15]
J. Shepard, Ed., The Cambridge History of the Byzantine Empire c500-1492. Cambridge: Cambridge University Press, 2009 [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1017/CHOL9780521832311
[16]
J. Phillips, The Fourth Crusade and the sack of Constantinople. London: Jonathan Cape, 2004.
[17]
M. G. Bull and N. Housley, The experience of crusading: Vol. 1: Western approaches. Cambridge: Cambridge University Press, 2003.
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D. E. Queller and T. F. Madden, The Fourth Crusade: the conquest of Constantinople, 2nd ed., vol. Middle Ages series. Philadelphia, Pa: University of Pennsylvania Press, 1997.
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F. van Tricht, The Latin renovatio of Byzantium: the Empire of Constantinople (1204-1228), vol. The medieval Mediterranean : peoples, economies, and cultures, 400-1500. Leiden: Brill, 2011 [Online]. Available: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=737788
[20]
R. L. Wolff, ‘The `Second Bulgarian Empire.’ Its Origin and History to 1204’, Speculum, vol. 24, no. 2, pp. 167–206, Apr. 1949, doi: 10.2307/2848560. [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://www.jstor.org/stable/2848560
[21]
‘Internet History Sourcebooks Project’. [Online]. Available: http://readinglists.glasgow.ac.uk/items/A2496854-8EDE-6FAD-E647-9A2174E95869