His Master's Voice/La voce del padrone: The Italian Catalogue. A Complete Numerical Catalogue of Italian Gramophone Recordings Made from 1898 to 1929 in Italy and Elsewhere by The Gramophone Company Ltd.by Alan Kelly;His Master's Voice/La voix de son maître: The French Catalogue. A Complete Numerical Catalogue of French Gramophone Recordings Made from 1898 to 1929 in France and Elsewhere by The Gramophone Company Ltd.by Alan Kelly;Alte Schallplatten-Marken in Deutschlandby Franz Schorn;Herman Klein and The Gramophone: Being a Series of Essays on the Bel Canto (1923), the Gramophone and the Singer (1924-34), and Reviews of New Classical Vocal Recordings (1925-34), and Other Writings from The Gramophoneby William R. Moran