Madurell Marimón 1951; III: 4: contract or agreement between fray Pedro de Fries, preceptor of the Casa de San Antón in Barcelona, the official of the Confraternity of the Corredores de Animales, and the organ-builder Miguel Narcis ('magistro organorum') and benefice-holder in the Church of San Cugat, to build an organ for the church.