of Provence in favor of crusading. He wrote one of his last works, which bemoans Christendom's decline overseas, between the Seventh and Eighth Crusades, c.1260–1265. Primary sources The 19th-century French work Recueil des historiens des croisades (RHC) documents the several of the original narrative sources of the Seventh Crusade from Latin and Arabic authors. The documents are presented in their original language with French translations. A complete bibliography can be found in The Routledge Companion to the Crusades. See also Crusade Texts in Translation and Selected Sources: The Crusades, in Fordham University's Internet Medieval Sourcebook. The primary Western sources of the Seventh Crusade, including eyewitness accounts, are as follows. Life of Saint Louis, by Jean de Joinville (1224–1317), a French chronicler who accompanied Louis IX of France. Memoirs of the Crusades. Translation by British biographer Frank Marzials, consisting of the chronicle De la Conquête de Constantinople of Geoffrey of Villehardouin and Joinville's Life of Saint Louis. Rothelin Continuation of William of Tyre's work. In RHC Historiens occidentaux, Volume 2.2, with a modern translation by Janet Shirley.Roman des rois (Romance of Kings) by Primat of Saint-Denis.Chronica Majora, by English historian Matthew Paris.Lettres françaises du XIIIe siècle. Letters from the crusade by Jean Pierre Sarrasin, chamberlain to Louis IX of France.Ystoria Mongalorum, by Italian explorer and diplomat John of Plano Carpini (Giovanni da Pian del Carpine). The Arabic sources of the Seventh Crusade include the following.The Concise History of Humanity, by Abu al-Fida. Summarized in RHC Historiens orientaux, Volume 3.1Kitāb al-Khiṭaṭ al-Maqrīzīyah, by al-Maqrizi. Portions on the Seventh Crusade excerpted in the Internet History Sourcebook and in Chronicles of the Crusades. History of the Ayyubit and Mameluke Rulers, by al-Maqrizi.Al-Nujūm al-Zāhirah fī Mulūk Miṣr wa-al-Qāhirah,'' by Ibn Taghri. See also Crusader states Eighth Crusade – also launched against Egypt in 1270 by Louis IX Kingdom of Jerusalem Jean de Joinville – an account of the life of Louis IX and the logistics of the Seventh Crusade References Bibliography 13th century in the Ayyubid Sultanate 13th-century crusades Wars involving the Ayyubid Sultanate Charles I of Anjou 1240s 1250s 13th century in the Mamluk Sultanate