Armstrong, William H. Major McKinley: William McKinley and the Civil War (2000)[1]
Faulkner, Harold U. Politics, Reform, and Expansion, 1890–1900 (1959)
Glad, Paul W. McKinley, Bryan, and the People (1964)
Jensen, Richard. The Winning of the Midwest: Social and Political Conflict, 1888–1896 (1971)[2]
Jones, Stanley L. The Presidential Election of 1896 (1964)
Josephson, Matthew. The Politicos: 1865–1896 (1938)
Morgan, H. Wayne. From Hayes to McKinley: National Party Politics, 1877–1896 (1969)
Rhodes, James Ford. The McKinley and Roosevelt Administrations, 1897–1909 (1922)[3]
Saldin, Robert P. "William McKinley and the Rhetorical Presidency," Presidential Studies Quarterly (March 2011) 41#1 pp. 119–34,
doi:
10.1111/j.1741-5705.2010.03833.x
Skrabec, Quentin R. William McKinley, apostle of protectionism (Algora, 2008).[4]
Williams, R. Hal. Years of Decision: American Politics in the 1890s (1993).
Crompton, Samuel Willard (2009). The Sinking of the USS Maine: Declaring War Against Spain. New York: Infobase Publishing.
ISBN978-1-60413-049-2.
Dobson, John M. Reticient Expansionism: The Foreign Policy of William McKinley. (1988).
Fry Joseph A. "William McKinley and the Coming of the Spanish–American War: A Study of the Besmirching and Redemption of an Historical Image," Diplomatic History 3 (Winter 1979): 77–97
Gould, Lewis L. The Spanish–American War and President McKinley (1982)
Hamilton, Richard. President McKinley, War, and Empire (2006).
Harrington, Fred H. "The Anti-Imperialist Movement in the United States, 1898–1900," Mississippi Valley Historical Review, Vol. 22, No. 2 (Sept. 1935), pp. 211–30
JSTOR1898467
Holbo, Paul S. "Presidential Leadership in Foreign Affairs: William McKinley and the Turpie-Foraker Amendment," The American Historical Review 1967 72 (4): 1321–35.
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May, Ernest. Imperial Democracy: The Emergence of America as a Great Power (1961)
Offner, John L. "McKinley and the Spanish–American War," Presidential Studies Quarterly Vol. 34#1 (2004) pp 50+.
Offner, John L. An Unwanted War: The Diplomacy of the United States and Spain over Cuba, 1895–1898 (1992)
Paterson. Thomas G. "United States Intervention in Cuba, 1898: Interpretations of the Spanish-American-Cuban-Filipino War," The History Teacher, Vol. 29, No. 3 (May 1996), pp. 341–61
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Trask, David. The War with Spain in 1898. (1981).
Speeches and manuscripts
McKinley, William. Speeches and Addresses of William McKinley: from his election to Congress to the present time (1893)[5]
McKinley, William. Abraham Lincoln. An Address by William McKinley of Ohio. Before the Marquette Club. Chicago. February 12, 1896 (1896)[6]
McKinley, William. Speeches and Addresses of William McKinley: from March 1, 1897, to May 30, 1900 (1900)[7]
McKinley, William. The Tariff; a Review of the Tariff Legislation of the United States from 1812 to 1896 (1904)[8]