Derniers albums
- Claramae Turner, New Orleans Opera House Association Chorus, Zinka Milanov, Norman Treigle, William Wildermann, Gerhard Pechner, Leonard Warren, Walter Herbert, New Orleans Opera House Association Orchestra, Mario del Monaco
- Jarmila Novotna, Nadine Conner, The Metropolitan Opera Orchestra, Edward Caton, Thelma Altman, Mona Paulee, Emery Darcy, Thomas Hayward, Alessio De Paolis, Lillian Raymondi, The Metropolitan Opera Chorus, Thelma Votipka, Walter Olitzki, Lorenzo Alvary, George Szell, Hertha Glaz, Maxine Stellman, Emanuel List, Irene Jessner, Ludwig Burgstaller, Gerhard Pechner, Anthony Marlowe, Lodovico Oliviero
