* The Education of Robert E. Lee
* From the Hudson to Lake Erie: By Riverboat, Railroad and Highways
Articles:
* "The South's Tragic Legacy: The Civil War and the Rise of the Ku Klux Klan" (The Independent, August 26, 1920)
* "The Failure of the League of Nations" (The New Republic, May 24, 1921)
* "The Great Experiment: Prohibition in the United States" (The Nation, December 14, 1922)
* "The Rise of Fascism in Europe" (The Atlantic Monthly, January 1924)
* "The New Deal: A Promise of Progress?" (Harpers Magazine, May 1934)
* "World War II: The Turning Point" (Life Magazine, August 1942)
* "The Cold War: A Global Struggle for Supremacy" (The Reporter, March 15, 1948)
* "The Civil Rights Movement: A Struggle for Equality" (Look Magazine, August 25, 1963)
* "The Vietnam War: A Tragedy of Errors" (The Progressive, January 1968)
* "The Watergate Scandal: A Crisis of Democracy" (Newsweek, August 9, 1974)