Bishop, Joseph Bucklin. Theodore Roosevelt and His Time. New York: Charles Scribner's Sons, 1920.
Brands, H.W. TR: The Last Romantic. New York: BasicBooks, 1997.
Lorant, Stefan. The Life and Times of Theodore Roosevelt. New York: Doubleday and Company, 1959.
Morris, Edmund. Theodore Rex. New York: Random House, 2001.
Roosevelt, Theodore. An Autobiography. New York: Charles Scribner's Sons, 1913.
Note: SparkNotes is not responsible for the content of external internet sites