RICCARDO FITZRALPH - Incipit of the Summa de quaestionibus Armenerum, Codex of 1380 - Biblioteca Vaticana, cod. Vat. lat. 1034, f. 1r.
cause of his obscure death at the siege of the castle of Châlus (6 Apr. 1199).
BIBL.: besides the general works on the history of England and France, the principal sources for the history of R. C. di L. have been published in the Rolls Series collection. Special works: T. A. Archer, The Crusade of Richard I, Londra 1888; A. Cartellieri, Philip II, August II. und III., Lipsia 1889; A. Gruhn, Der Kreuzzug Richards I, Berlino 1892; G. Paris, Le roman de Richard Cœur de Lion, in Romania, 26 (1897); J. H. Ramsay, The Angevin Empire, Londra 1903; K. Norgate, Richard, the Lion Heart, ibid. 1924; S. R. Packard, The norman communes under Richard and John (1189-1204), in Haskins anniversary Essays, Boston 1924; A. Schreiber, Drei Beiträge zur Gesch. der deutschen Gefangenschaft des Königs Richard Loeschers, in Histor. Vierteljahrschrift, 26 (1931), pp. 268-94; Ch. Petit-Dunailla, La monarchie féodale en France et en Angleterre, XVIIIe siècle, Parigi 1933; M. Grousset, Hist. des Croisades, II, ibid. 1935; G. Hill, A history of Cyprus, I: To the conquest by Richard Lion Heart, Cambridge 1940; G. Ambroise, The Crusade of Richard Lion-Heart, Nuova York 1941; B. Wilkinson, The government of England during the absence of Richard on the Third Crusade, in Bull. of the J. Rylands Library, 28 (1944), pp. 484-489. Guglielmo Mollat