In 1948, while her Met career was at its height, US President Harry S. Truman contracted her to act as an "advisor" to his daughter, Margaret, who was hoping to launch a career as a classical singer. Traubel's 1959 autobiography, "St. Louis Woman", contains an account of the three years she spent in the role, and how in the end she felt it had adversely affected her stature in the music world to have her name associated with "such a musical aspirant" of questionable talent.