^ Norman M. Wilensky, Conservatives in the Progressive Era: The Taft Republicans of 1912 (1965) pp. 61–62.

^ George E. Mowry, Theodore Roosevelt and the Progressive Movement (1946) pp. 235–239.

^ Hoyt Landon Warner, Progressivism in Ohio, 1897–1917 (1964) pp. 354–384.

^ Miller 1992, p. 524.

^ Jump up to: a b Miller 1992, pp. 524–526.

^ Mowry, pp. 252–253.

^ Ali, Omar H. (2008). In the Balance of Power: Independent Black Politics and Third-Party Movements in the United States. Ohio UP. pp. 111–112. ISBN 978-0-8214-4288-3.

^ Lewis L. Gould, "1912 Republican Convention: Return of the Rough Rider" Smithsonian Magazine August 2008  online

^ Brands 1997, p. 717.

^ Mowry, pp. 223, 257.

^ Gould, Four Hats pp. 127–128.

^ Stacy A. Cordery, Alice: Alice Roosevelt Longworth, from White House princess to Washington power broker (2006) pp. 176–183.

^ Allen F. Davis, American Heroine: The Life and Legend of Jane Addams (1973) pp. 185–197.

^ Marena Cole, "A Progressive Conservative": The Roles of George Perkins and Frank Munsey in the Progressive Party Campaign of 1912" (PhD dissertation, Tufts University ProQuest Dissertations Publishing,  2017. 10273522).

^ John A. Garraty, Right-Hand Man: The Life of George W. Perkins (1960) pp. 264–284.

