"Robert de Clari." Painting. Good Reads. Web. Date Unknown. http://www.goodreads.com/author/show/98942.Robert_De_Clari
"Enrico Dandolo Doge of Venice." Painting. We Love Istanbul. Web. Date Unknown. http://www.weloveist.com/fourth-crusade
"Villehardouin." Painting. Babelio. Web. Date Unknown. http://www.babelio.com/auteur/Geoffroy-de-Villehardouin/114040
"Crusaders Sacking Constantinople." Painting. Reformation ORG. Web. Date Unknown. http://www.reformation.org/fall-of-constantinople.html
"Crusaders Celebrating after Conquering Constantinople." Painting. Saving.ge. Web. Date Unknown. http://saving.ge/author/zviad91/page/12/
"Alexius V." Painting. Byzantines. Web. Date Unknown. https://sites.google.com/site/byzantines404/images-1
"Latin Empire Map." Map. Wikimedia Commons. Web. 2008. https://commons.wikimedia.org/wiki/File:LatinEmpire2.png
"Crusaders Attacking the City Walls of Constantinople." Painting. Pinterest. Web. Date Unknown. https://www.pinterest.com/skykight/ospreyrelated/
"Crusaders Looting Constantinople." Painting. Look and Learn. Web. Date Unknown. http://www.lookandlearn.com/history-images/B001446/Crusaders-looting-Constantinople?img=1&search=Murzuphlus&bool=phrase
"The Great Schism Map." Map. Wikimedia Commons. Web. Date Unknown. https://commons.wikimedia.org/wiki/File:Great_Schism_1054_with_former_borders.png
"The Great Schism." Painting. Storied Theology. Web. Date Unknown. http://www.jrdkirk.com/2010/10/21/anthroposis/
"Attack on Zara." Painting. Wikimedia Commons. Web. 1500s. https://en.wikipedia.org/wiki/Siege_of_Zara#/media/File:Siege_of_Zadar.jpg
"Sacking of Constantinople." Painting. Western Civilization. Web. Date Unknown. http://western-civilisation.com/article/1576/35/Crusades_/1204_and_the_Crusader_sack_of_Constantinople__A_necessity
"Horse of Saint Mark." Painting. Wikimedia Commons. Web. Date Unknown. https://commons.wikimedia.org/wiki/File:Venice_-_St._Marc's_Basilica_10.jpg
"Doge of Venice Considering the Crusaders' Proposal." Painting. Pinterest. Web. Date Unknown. https://www.pinterest.com/ayurkevych/the-costume-history-13th-century/
"Crusaders in a Boat." Painting. Britannica Kids. Web. 1200s. http://kids.britannica.com/elementary/art-87754/A-drawing-from-the-1200s-shows-a-boat-of-European
"Proposed Route of the 4th Crusade." Map. Murano Magic. Web. Date Unknown. http://www.boglewood.com/murano/crusade.html
"Crusaders Fighting." Painting. Weapons and Warfare. Web. Date Unknown. https://weaponsandwarfare.com/2015/12/09/christian-crusaders-capture-constantinople/
"Painting of Constantinople." Painting. Wikimedia Commons. Web. 1895. http://goo.gl/2tmbL6/
"Painting of Sunset Over Constantinople." Painting. Steve Art Gallery. Web. Date Unknown. http://goo.gl/V3oHq2/
"Painting of Traders Exiting Constantinople." Painting. Painting and Frame. Web. 1800s. http://goo.gl/BEfiUj/
"Painting of Constantinople Skyline" Painting. Fine Art America. Web. 1800s. http://goo.gl/xJf0qN/
"Attack on the Walls of Constantinople" Painting. Periplus. Web. Date Unknown. http://goo.gl/kOTWBh/
"Attack on Constantinople" Painting. Wikimedia Commons. Web. 1600s. http://goo.gl/xi2HKs/
"Crusaders Charging on Horsebacks" Painting. Pinterest. Web. Date Unknown. https://www.pinterest.com/00tfj19spnt1ofv/modern-crusader/
"Crusaders Celebrating after Capturing Constantinople" Painting. The Athenaeum. Web. 1847. http://www.the-athenaeum.org/art/detail.php?ID=133014&msg=You+were+sent+here+because+this+artist+only+has+one+artwork+in+our+database.++This+is+it.