Frederick Lewis Allen, Only Yesterday: An Informal History of the Nineteen-Twenties (New York: Harper, 1931);

Charles and Mary Beard, The Rise of American Civilization (New York: Macmillan, 1927);

H. L. Mencken, Prejudices: Second Series — Sixth Series (New York: Knopf, 1920, 1922, 1924, 1926, 1927);

Samuel Eliot Morison, The Oxford History of the United States (New York: Oxford University Press, 1927);

Vernon Louis Parrington, Main Currents in American Thought, 3 volumes (New York: Harcourt, Brace, 1927-1930);

Gilbert Seldes, The Seven Lively Arts (New York: Harper, 1924);

Harold Stearns, Civilization in the United States (New York: Harcourt, Brace, 1922);

Mark Sullivan, Our Times: The United States, 1900-1925 (New York: Scribners, 1926-1935).