Emerson, John A. «The Arrival of Edison’s Tinfoil Phonograph in San Francisco and the Grand Musical Festival of May, 1878». Inter-American Music Review 11, no. 2 (junio 10, 2019): pp. 41 – 51. Accedido abril 26, 2024. https://iamr.uchile.cl/index.php/IAMR/article/view/53545.