"The First Good News of the 1928 Campaign! Mr. Rogers Says He Will Not Run For Anything". Daily Telegram #1355 (syndicated column). "Will Roger's Daily Telegrams, The Hoover Years, 1929-1931". Book edited by Steven Gragert and James Smallwood, 2008.
Eugene O'Neill (1951). “Plays: "Anna Christie." Beyond the horizon. The Emperor Jones. The hairy ape. The great god Brown. The straw. Dynamo. Days without end. The iceman cometh”
Sir William Osler, Mark E. Silverman, T. J. Murray, Charles S. Bryan, American College of Physicians--American Society of Internal Medicine (2003). “The Quotable Osler”, p.233, ACP Press