Royal Opera House Covent Garden historic recordings of actual performances - Beecham, Thomas Knight 1879-1961; Bellezza, Vincenzo 1888-1964; Goossens, Eugène 1893-1962; Bockelmann, Rudolf 1892-1958; Brownlee, John 1901-1969; Šaljapin, Fëdor I. 1873-1938; Hislop, Joseph Dewar 1884-1977; Janssen, Herbert 1892-1965 (His master's voice, 1979)