Bishop and Presbyter in Medieval Papal Legislation. Lisbon : [s.n.], 1962. ((Dissertation submitted ...Viegas e Vales, Eliseu
Bishop and Presbyter in Medieval Papal Legislation. Lisbon : [s.n.], 1962. ((Dissertation submitted to the Faculty of Canon Law of the Pontifical Gregorian University in Partial Fulfillment of the Requirements for the decree of Canon Law.