Richard I, King of England (1157-1199) reigned between 1189 and 1199. He was the primary commander of Christian forces during the Third Crusade.
Colloquio italo-britannico sul tema Riccardo Cuor di Leone nella storia e nella leggenda (1980 : Rome, Italy). Colloquio italo-britannico sul tema Riccardo Cuor di Leone nella storia e nella leggenda, 1981 t.p. (Riccardo Cuor di Leone)
Gibb, C. Richard the Lionheart and the Crusades, 1985 t.p. (Richard the Lionheart)
Encyclopaedia Britannica Online, viewed Apr. 18, 2007 Richard I (byname Richard the Lion-heart, or Lion-hearted)
The Third Crusade, 2004 t.p. (Richard the Lionhearted)
Wikipedia, 27 Mar. 2008 (Richard I (8 Sept. 1157 -- 6 April 1199) was King of England; Reigned 6 July 1189 -- 6 April 1199)
Wikipedia, Dec. 27, 2010 (Richard I of England; Christian commander during the Third Crusade; spoke only French; b. in Beaumont Palace, Oxford, England; d. in Châlus, Haute-Vienne, France)