Twain, Mark. "New York, January 10, 1906." Autobiography of Mark Twain, edited by Harriet E. Smith, Benjamin Griffin, Victor Fischer, Michael Barry Frank, Sharon K. Goetz, Leslie Diane Myrick, and Robert Hirst. Vol. 1, University of California Press, 2010.
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Citation
Tynan, Kenneth. Quoted in "Critic Kenneth Tynan Has Mellowed But Is Still England's Stingingest Gadfly." Written by Godfrey Smith. The New York Times, 9 Jan. 1966.