^ Donald 1996, pp. 34, 116.

^ Bartelt 2008, pp. 23, 83.

^ Donald 1996, p. 26–27.

^ White 2009, pp. 25, 31, 47.

^ Bartelt 2008, p. 66.

^ Bartelt 2008, pp. 10, 33.

^ Donald 1996, p. 23.

^ Donald 1996, p. 29.

^ Madison 2014, p. 110.

^ Donald 1996, pp. 29–31, 38–43.

^ Donald 1996, pp. 30–33.

^ Warren 2017, p. 134–135.

^ Dellinger, Bob. "Wrestling in the USA". National Wrestling Hall of Fame. Retrieved April 9, 2021.

^ Donald 1996, p. 41.

^ Jump up to: a b Donald 1996, p. 36.

^ Bartelt 2008, pp. 38–40.

^ Bartelt 2008, p. 71.

^ Oates 1974, pp. 15–17.

^ Thomas 2008, pp. 23–53.

^ Sandburg 1926, pp. 22–23; Donald 1996, p. 38.

^ Gannett, Lewis (Winter 2005). "'Overwhelming Evidence' of a Lincoln-Ann Rutledge Romance?: Reexamining Rutledge Family Reminiscences". Journal of the Abraham Lincoln Association. Springfield, IL: The Abraham Lincoln Association. pp. 28–41. Archived from the original on April 3, 2017.

^ Donald 1996, pp. 55–58.

^ Jump up to: a b Shenk, Joshua Wolf (October 2005). "Lincoln's Great Depression". The Atlantic. The Atlantic Monthly Group. Archived from the original on October 9, 2011. 