The Life of Herbert Hoover: The Humanitarian, 1914-1917 (Life of Herbert Hoover, Vol. 2)
The Life of Herbert Hoover: Fighting Quaker, 1928-1933
The Crusade Years, 1933–1955: Herbert Hoover's Lost Memoir of the New Deal Era and Its Aftermath (Hoover Institution Press Publication)
The Life of Herbert Hoover: Master of Emergencies, 1917-1918 (Vol. 3)