Ludwig van Beethoven, Friedrich Kerst, Henry Edward Krehbiel (1964). “Beethoven, the Man and the Artist, as Revealed in His Own Words”, p.13, Courier Corporation
Impressions of America (1906). The Newark (Ohio) Daily Advocate, 20 Apr. 1883, describes an afterdinner speech made by Wilde in Paris about his experiences in the United States: "The brightest and best of the many stories he related was one to the effect that at a ball in Leadville he saw a notice over the piano which read: 'Please don't shoot the pianist. He is doing his best.' "