Bl. Jacopone da Todi: Biography of this "fool for Christ."
Blessed Jacopone da Todi: Hagiography.
Catholic Encyclopedia: Jacopone da Todi: Biographical article on Jacopone da Todi, more properly called Jacopo Benedetti, lawyer, widower, Franciscan poet sympathetic to the Spirituals, d. about 1306.
Columbia Encyclopedia: Jacopone da Todi: Brief biography.
Jacopone da Todi (c. 1230-1306): Short biography of this Italian poet and mystic. At Encyclopædia Orbis Latini.
Jacopone of Todi: Short biography of the Franciscan poet.
Patron Saints Index: Jacopone da Todi: Profile. With links.
Todi, Jacopone da: Very brief biography.