The Morte de Malory - Essay on Twain's use of Malory's "Le Morte d'Arthur." - http://etext.lib.virginia.edu/railton/yankee/malory.html
A Connecticut Yankee in King Arthur's Court - Etext at the University of Virginia. - http://etext.lib.virginia.edu/cgibin/toccer?id=TwaYank&tag=public&images=images/modeng&data=/lv1/Archive/eng-parsed&part=0