Gladys Swarthout was a participant on many radio shows and broadcasts during her lifetime. The earliest I have documentation on is in 1934 and the latest was February 22, 1954.

If you have information to add to this, let me know!

OH MY HEART IS WEARY(MADSCHE) c.1934

O MIO FERNANDO(LA FAVORITA-DONIZETTI) c.1934

LA CI DAREM(DON GIOVANNI) with FRANK CHAPMAN c.1934

IN QUESTO SUDO(LA FAVORITA) with FRANK CHAPMEN c.1934

WILL YOU REMEMBER(ROMBERG) w. CHAPMAN c.1934

DOME EPAIS(LAKME-DELIBES) with HELEN JEPSON c.1935

VOCE DI DONNA(LA GIOCONDA-PONCHIELLI) c.1936

CHE FARO SENZA(ORFEO & EURIDICE-GLUCK) c.1936

UNA VOCE POCO FA(BARBER OF SEVILLE-ROSSINI) c.1937

LESCIA CH'IO PIANGO(RINALDO-HANDEL) CIRCA 1937

THE MAIN I LOVE(GERSHWIN) GERSHWIN MEMORIAL. 08.09.1937

AH MON FILS(LE PROPHETE-MEYERBEER) c.1942

NON SO PIU COSA S ON(NOZZE DI FIGARO-MOZART) c.1943

VOI CHE SAPETE(NOZZE DI FIGARO-MOZART) c.1943

MY TENDER PLAYMATE - PIQUE DAME-TCHAIKOWSKY c.1944

IL EST DOUX, IL EST BON(HERODIADE-MASSENET) c.1944

SONGS OF INDIA(SADKO-RIMSKY KORSAKOV) c.1944

LAND OF HOPE AND GLORY(ELGAR) c.1944

IO SONO L'UMILE ANCELLA(CILEA) CONCERT HALL 1944

ADIEU FORETS(JEANNE D'ARC) c.1945

LETTER SCENE(WERTHER-MASSENET) BELL TELEPHONE HR. 20.10.1947

GRANADA(LARA) intro by LIONEL BARRYMORE CONCERT HALL. 1943

THROUGH THE YEARS…with DIALOGUE GUEST STAR 1949

JE T'ADORE(LA PERICHOLE-OFFENBACH) MET CONCERT. 1950

THE RAILROAD HOUR PRESENTS "MARTHA" 22.02.1954