• Doss, Richard B. (1954). “Democrats in the Doldrums: Virginia and the Democratic National Convention of 1904”. Journal of Southern History. 20 (4): 511–529. doi:10.2307/2954738. JSTOR 2954738.
• Gould, Lewis L. (1991). The Presidency of Theodore Roosevelt. Lawrence: University Press of Kansas. ISBN 0-7006-0435-9.
• Harbaugh, William Henry (1961). Power and Responsibility: The Life and Times of Theodore Roosevelt. New York: Farrar, Straus and Cudahy.
• Morris, Edmund (2001). Theodore Rex. New York: Random House. ISBN 0-394-55509-0. Biography of Roosevelt during the years 1901–1909.
• Schlesinger, Arthur Meier, and Fred L. Israel, eds. History of American presidential elections, 1789-1968. Vol. 3. (1971), history of the campaign by William Harbaugh, with primary documents.
• Shoemaker, Fred C. "Alton B. Parker: the images of a gilded age statesman in an era of progressive politics" (MA thesis, The Ohio State University, 1983) online.

Nguồn chính

• Republican Campaign Text-book, 1904 (1904), handbook for Republican speakers and editorialists; full of arguments, speeches and statistics online free
• Chester, Edward W A guide to political platforms (1977) online
• Porter, Kirk H. and Donald Bruce Johnson, eds. National party platforms, 1840-1964 (1965) online 1840-1956