found: His How do you like me so far? 1963.
found: Smith, R.L. Ww in comedy, c1992(Youngman, Henny (Henry); b. Jan. 12, 1906)
found: Contemporary authors:v. 134 (Youngman, Henny; b. 1906 (some sources, 1905), Liverpool, England)
found: Washington Post, Feb. 25, 1998:obit. (d. Feb. 24, 1998; b. in England)
found: New York times, Feb. 25, 1998:p. B9 (Henny Youngman, 91, d. Feb. 24, 1998, New York; b. Henry Youngman, Mar. 16, 1906, London; known as Hen until age 18, when he became Henny)
found: Info. converted from 678, 2012-10-02(b. 1906)