Helen Traubel - Traubel, Helen 1899-1972; Baum, Kurt 1900-1989; O'Connell, Charles; Rodzinski, Artur 1892-1958; Knoch, Ernst 1875-1959; Stokowski, Leopold 1882-1977; Weissmann, Frieder 1893-1984; Ponchielli, Amilcare 1834-1886