Carta del muy reuerendo padre nuestro general Mutio Vitelleschi a los padres y hermanos de la Compañia, 1617?
Catholic Encyclopedia, viewed online Dec. 9, 2008 (hdg.: Muzio Vitelleschi, b. at Rome 2 Dec., 1563; d. there 9 Feb., 1645. He belonged to a distinguished family, entered the Society of Jesus 15 August, 1583, and after completing his studies in the order was made a professor. In 1593 he was appointed rector of the English College which had been established in 1579 by Gregory XIII . At later dates he was made provincial of the Society for Rome and Naples, assistant of the Jesuit General for Italy, and finally was elected General of the Society on 15 November, 1615, by the seventh General Congregation. The society during his generalate attained a high degree of prosperity.)
Histoire de ce qui s'est passé au royaume d'Ethiopie es années 1624, 1625, & 1626, 1629 t.p. (Mutio Viteleschi)
Indice biog. italiano (Vitelleschi, Muzio; 1563-1645; nobleman, Jesuit, professor of philosophy and theology)