Derniers albums
- Margarete Matzenauer, Trinity Church Choir, New York, Richard Crooks, Ladies' Chorus, Giovanni Martinelli, Renata Tarragó, Ernestine Schumann-Heink, Claudia Muzio, Gladys Swarthout, John Charles Thomas, Rosa Ponselle, Lawrence Tibbett, Marcel Journet, Lorenzo Molajoli, Paul Reimers, John McCormack, Armand Bernard, Hulda Lashanska, Clarence Dickinson, Milton Katims, Georges Thill, Stewart Wille, Victoria de los Ángeles, Aksel Schiøtz, Elisabeth Schumann, Studio Chorus, G. Tarragó, Dorothy Maynor, Rosario Bourdon, Studio Orchestra, Carroll Hollister, Edwin Schneider, RCA Victor Symphony Orchestra, Richard Tauber, Henry Geehl, Mogens Woldike
