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^ Siegel, Robert (October 26, 2005). "Exploring Abraham Lincoln's 'Melancholy'". Retrieved February 17, 2023.

^ Thomas 2008, pp. 56–57, 69–70.

^ Donald 1996, p. 67.

^ Donald 1996, pp. 80–86.

^ Lamb & Swain 2008, p. 3.

^ Sandburg 1926, pp. 46–51.

^ Donald 1996, p. 93.

^ Baker 1989, p. 142.

^ White 2009, pp. 179–181, 476.

^ Emerson, Jason (2012). Giant in the Shadows: The Life of Robert T. Lincoln. SIU Press. p. 420. ISBN 978-0-8093-3055-3. Retrieved June 27, 2015.

^ White 2009, p. 126.

^ Baker 1989, p. 120.

^ Hertz, Emanuel (1938). The Hidden Lincoln. The Viking Press. p. 105.

^ Steers 2010, p. 341.

^ Winkle 2001, pp. 86–95.

^ Blazeski, Goran (October 15, 2016). "Abraham Lincoln was the only President who was also a licensed bartender". The Vintage News. Retrieved March 4, 2022.

^ Lincoln, Abraham (1832). "The Improvement of Sangamon River".  In Miller, Marion Mills (ed.). Life and Works of Abraham Lincoln Volume 3. Wildside Press. ISBN 978-1-4344-2497-6. WP article

^ Winkle 2001, pp. 114–116.

^ Jump up to: a b Stone, Zofia (2016). Abraham Lincoln: A Biography. Alpha Editions. p. 16. ISBN 978-9-3863-6727-3 – via Google Books.

