Source: Abraham Lincoln, Complete Works (1894), I, 657-669. https://archive.org/details/americanhistoryt00ivunse/page/202/mode/2up

Source: Samuel Wylie Crawford, The Genesis of the Civil War (1887), 47-55. https://archive.org/details/americanhistoryt00ivunse/page/182/mode/2up

Source: Alexander H. Stephens, A Constitutional View of the late War between the States (1870), II, 279-299. https://archive.org/details/americanhistoryt00ivunse/page/164/mode/2up

Source: Senator John Sherman, letter to William Tecumseh Sherman, The Sherman Letters, 1837-1891 (1894), 85-88. https://archive.org/details/americanhistoryt00ivunse/page/162/mode/2up

Source: Speech of Horatio Seymour to New York Electoral Commission (1876) quoted in John Bigelow, The Life of Samuel J. Tilden (1895), 84-9. https://archive.org/details/lifesamtilden02bigerich/page/84/mode/2up

Source: Almira Russell Hancock, Reminiscences of Winfield Scott Hancock (1887), 152-157. https://archive.org/details/americanhistoryt00ivunse/page/504/mode/2up

Source: "Battle of the Little Bighorn, Narrated by an Indian Who Fought in It", by Two Moons in  McClure's Magazine, September, 1898.  http://www.historyisaweapon.com/defcon1/twomoonslittlebighorn.html

Source: Hilary A. Herbert and others, Why the Solid South? or Reconstruction and its Results (1890), 61-69. https://archive.org/details/americanhistoryt00ivunse/page/500/mode/2up

Source: House Reports, 42nd Congress, 2nd session (1872), II, pt. 1, 48-49. https://archive.org/details/americanhistoryt00ivunse/page/494/mode/2up

Source: Henry Wilson in Appendix to the Congressional Globe, 40th Congress, 3rd session (1869), 153-154, February 8, 1869. https://archive.org/details/americanhistoryt00ivunse/page/492/mode/2up