Bonaventure of Bagnoreggio: Dates, extant works, recent bibliography.
Bonaventure, Saint: Short biobibliographical article in the Columbia Encyclopedia.
Catholic Encyclopedia: St. Bonaventure: Biobibliographical essay on the Franciscan theologian and Doctor of the Church, d. 1274.
Catholic Information Network: St. Bonaventure: Illustrated biography.
Catholic Online: St. Bonaventure: Biography.
Catholic Pages: St Bonaventure: Biography.
For All the Saints: Bonaventure: Fairly long biography of St. Bonaventure, with links to other saints with whom he was associated.
Patron Saints Index: Bonaventure: Profile of the Seraphic Doctor. Illustrated.
Superna Caelestis: The "Diploma" announcing the canonization of St. Bonaventure, by Pope Sixtus IV.