 In his years in England Barberi established three churches and several chapels, preached innumerable missions and received hundreds of converts, not only Newman, but others such as Spencer and Dalgairns.A relic of Barberi was given to Monsignor Keith Newton, Ordinary of the Personal Ordinariate of Our Lady of Walsingham, for the ordinariate to be kept at Our Lady of the Assumption Church, Warwick Street.Among Barberi's works are courses of philosophy and moral theology; a volume on the Passion of Our Lord; a work for nuns on the Sorrows of the Blessed Virgin, "Divina Paraninfa"; a refutation of de Lamennais; three series of sermons; and various controversial and ascetic works.