^ Gerard Helferich, Theodore Roosevelt and the Assassin: Madness, Vengeance, and the Campaign of 1912 (2013)

^ The Works of Theodore Roosevelt (1926) – Volume 24 – Page 405.

^ Miller 1992, p. 529.

^ Miller 1992, pp. 529–530.

^ Lewis L. Gould, Four Hats in the Ring: The 1912 Election and the Birth of Modern American Politics (Univ. Press of Kansas, 2008)

^ Dexter, Jim (March 10, 2010). "How third-party candidates affect elections". CNN. Archived from the original on November 13, 2016. Retrieved November 7, 2016.

^ Roosevelt, Theodore (1914), Through the Brazilian Wilderness (facsimile) (1st ed.), S4u languages, hdl:2027/nyp.33433081694915, archived from the original on February 28, 2010, retrieved February 25, 2010.

^ Roosevelt, Theodore (1914). "The Start" . Through the Brazilian Wilderness  – via Wikisource.

^ Jump up to: a b c Millard, The river of doubt: Theodore Roosevelt's darkest journey (2009) pp. 267–270.

^ Marx, Rudolph (October 31, 2011), The Health of The President: Theodore Roosevelt, Health guidance.

^ Jump up to: a b "Theodore Roosevelt Dies Suddenly at Oyster Bay Home; Nation Shocked, Pays Tribute to Former President; Our Flag on All Seas and in All Lands at Half Mast". The New York Times. 