Doherty, Brian, "Footlights," Review, in Canadian Forum, Vol. XV, 1934-1935, p. 194, quoted in R. Baird Shuman, Robert E. Sherwood, Twayne's United States Author Series, No. 58, Twayne Publishers, 1964, p. 67.

Guthrie, Woody, "The Ballad of Pretty Boy Floyd," lyrics, Woody Guthrie, American Folksong, Sanga Music Inc., 1958.

Isaacs, Edith J. R., "Robert Sherwood: Man of the Hour," in Theatre Arts, Vol. XXIII, No. 1, January 1939, pp. 31-40.

Krutch, Joseph Wood, "Comedy," in The American Dream since 1918: An Informal History, rev. ed., Braziller, 1957, pp. 134-225.

Lawson, John Howard, "The Technique of the Modern Play," in Theory and Technique of Playwrighting, Hill & Wang, 1936, pp. 143-44.