↑ "Lives of the Saints, For Every Day of the Year," edited by Rev. Hugo Hoever, S.O.Cist.,Ph.D., New York: Catholic Book Publishing Co., 1955, p.257
Ferreira, João (2010), Histórias Rocambolescas da História de Portugal [Fantastic Stories of the History of Portugal] (ấn bản 6), Lisbon, Portugal: A Esfera dos Livros, ISBN978-989-626-216-7 line feed character trong |title= tại ký tự số 40 (trợ giúp)
Hoever, Hugo biên tập (1955), Lives of the Saints, For Every Day of the Year, New York, New York: Catholic Book Publishing Co., tr. 511
