Wiley & Sons. p. 699. ISBN 978-0-470-17498-2. Retrieved 15 October 2012. PinhoLeal (1874) Portugal antigo e moderno, p.118 J.M. Baptista, Chorographia moderna
a Jew converted to Catholicism (Augusto Soares d' Azevedo Barbosa de PinhoLeal, "Portugal Antigo e Moderno", Cota d' Armas, Lisboa, 1990; Isabel Violante