Hill, Alfred, Arthur & W. Henry: The Violin Makers of the Guarneri Family (1626-1762), Their Life And Work, 3rd impression, maroon leather, London, 1973; Azzolina, Umberto: Liuteria Italiana dell'ottocento e del novecento, Milan, 1964 and Retford, William C.: Bows And Bow Makers, London, 1964 (3)