Epistola de morte Friderici imperatoris. (cf. German Wikipedia, Anton Chroust) Quinti Belli sacri scriptores minores, Société de l'Orient Latin Série Historique II, Geneva (1879). Edited by German historian Reinhold Röhricht (1842–1905). Six minor works primarily concerning the Fifth Crusade. Continued by the author's Testimonia minora de quinto bello sacro. Also referred to as Scriptores Minores Quinti Belli sacri (SMQBS). Rawżat aṣ-ṣafāʾ fī sīrat al-anbiyāʾ w-al-mulūk w-al-khulafā (The Gardens of purity in the biography of the prophets and kings and caliph), 7 volumes with geographic index (1497). Edited by Mīr-Khvānd (1433–1498), an Uzbek Persian-language historian. A history of Islam from its origins until the late 15th century. Uses over forty major Arabic and Persian histories. Recueil des historiens des Gaules et de la France (RHF), 22 volumes (new edition, 24 volumes), Paris (1738–1876). Edited by French Benedictine monk and Maurist historian Martin Bouquet (1685–1754), et. al. A collection of histories of France by Gaulian and French authors. (cf. French Wikipedia, Recueil des historiens des Gaules et de la France) Rerum britannicarum medii aevi scriptores (Rolls Series), 253 volumes, London (1858–1911). Begun by British archivists John Romilly (1802–1874), Joseph Stevenson (1806–1895) and Thomas D. Hardy (1804–1878). A collection of British and Irish medieval chronicles, archival records, legal tracts, folklore and hagiographical materials. Rerum Italicarum scriptores (RISc), 25 volumes in 28, Venice (1723–1751). Begun by Italian historian Ludovico A. Muratori (1672–1750). A collection of documents and sources on Italian history from the 6th century to the 15th century. Also known as RISc I Serie. (cf. Italian Wikipedia, Rerum Italicarum scriptores) Revue de l'Orient Latin (ROL), 12 volumes, Geneva (1893–1911). Official journal of Société de l'Orient Latin founded by French historian Paul E. D. Riant (1836–1888). Later directed by archivist Charles A. Kohler (1854–1917). A continuation of Archives de l'Orient Latin that includes Crusader sources of itineraries, chronicles, letters and charters. (cf. French Wikipédia, Paul Riant) Testimonia minora de quinto bello sacro, 1 volume, Société de l'Orient Latin, Série Historique III, Geneva (1882). Edited by German historian Reinhold Röhricht (1842–1905). A continuation of his Quinti Belli sacri scriptores minores, providing some 233 lesser-known excerpts of contemporaneous authors concerning the Fifth Crusade. Translations and Reprints from the Original Sources of European History, 6 volumes, Philadelphia (1894–1900). A collection of works including letters, charters and histories relating to the Crusades. Includes: Volume 1.II, Urban and the Crusaders, Volume 1.IV, Letters of the Crusaders and Volume 3.I,