(Paris 1879–1882). Pietro Pressuti (editor), I regesti del pontefice Onorio III dall anno 1216 al anno 1227 Vol. 1 (Roma 1884). J. Clausen, Papst Honorius III (1216-1227). Eine Monographie (Bonn: P. Hauptmann 1895). Ferdinand Gregorovius, History of Rome in the Middle Ages, Volume V.1 second edition, revised (London: George Bell, 1906) Book IX, Chapter 3, pp. 96–128. Narciso Mengozzi, Papa Onorio III e le sue relazioni col regno di Inghilterra (Siena: L. Lazzeri, 1911). Mauro Giacomo Sanna, Onorio III e la Sardegna (1216-1227) (Cagliari: Centro studi filologici sardi, 2013). Pierre-Vincent Claverie, Honorius III et l'Orient (1216-1227): Étude et publication de sources inédites des Archives vaticanes (ASV) (Leiden: Brill 2013). Thomas W. Smith, Curia and Crusade: Pope Honorius III and the Recovery of the Holy Land, 1216-1227 (Turnhout: Brepols, 2017). Initial text taken from a paper copy of the 9th edition of the Encyclopædia Britannica; 1881. Please update as needed. Italian popes Christians of the Livonian Crusade Christians of the Fifth Crusade Christians of the Prussian Crusade 13th-century Italian Roman Catholic bishops Clergy from Rome 1150 births 1227 deaths 12th-century Italian Roman Catholic priests 13th-century popes Camerlengos of the Holy Roman Church Popes Burials at Santa Maria Maggiore