• Morris, Edmund. Theodore Rex. New York: Random House, 2001.
• Mowry, George E. The Era of Theodore Roosevelt, 1900–1912. New York: Harper, 1958.
• Neu, Charles E. An Uncertain Friendship: Theodore Roosevelt and Japan, 1906–1909. Cambridge, Mass.: Harvard University Press, 1967.
• O’Gara, Gordon Carpenter. Theodore Roosevelt and the Rise of the Modern Navy. New York: Greenwood Press, 1969.
• Pringle, Henry F. Theodore Roosevelt: A Biography. New York: Harcourt Brace, 1931.
• Reckner, James R. Teddy Roosevelt’s Great White Fleet. Annapolis, Md.: Naval Institute Press, 1988.
• Robinson, Corinne Roosevelt. My Brother, Theodore Roosevelt. New York: Charles Scribner’s Sons, 1921.
• Rodgers, Daniel T. Atlantic Crossings: Social Politics in a Progressive Age. Cambridge, Mass.: Harvard University Press, 1998.
• Roosevelt, Theodore. An Autobiography. 1913; reprint ed., New York: Da Capo, 1985.
• Roosevelt, Theodore. The Selected Letters of Theodore Roosevelt. Edited by H. W. Brands. New York: Cooper Square Press, 2001.
• Roosevelt, Theodore. The Works of Theodore Roosevelt. Memorial ed., 24 vols. Edited by Hermann Hagedorn. New York: Scribner’s, 1926.
• Trani, Eugene P. The Treaty of Portsmouth: An Adventure in American Diplomacy. Lexington: University of Kentucky Press, 1969.
• Wimmel, Kenneth. Theodore Roosevelt and the Great White Fleet: American Sea Power Comes of Age. Washington, D.C.: Brassey’s, 1998.
• Young, James Harvey. Pure Food: Securing the Federal Food and Drugs Act of 1906. Princeton, N.J.: Princeton University Press, 1989.