^ Haynes, pp. 4–6.

^ Borneman, pp. 6–7

^ Seigenthaler, p. 11

^ Borneman, p. 8

^ Borneman, p. 13

^ Leonard, p. 6

^ The American Journal of the Medical Sciences. 1875.

^ Haynes, p. 11

^ Jump up to: a b Borneman, pp. 8–9

^ Seigenthaler, p. 22

^ Borneman, p. 10

^ Jump up to: a b Borneman, p. 11

^ Seigenthaler, p. 24

^ Leonard, p. 5

^ Jump up to: a b c d Borneman, p. 14

^ Jump up to: a b Seigenthaler, p. 25

^ United States Department of the Army (1980). Soldiers. p. 4.

^ "Daguerreotype of President and Mrs. Polk". WHHA (en-US). Retrieved February 4, 2021.

^ Seigenthaler, p. 26

^ "Sarah Childress Polk". White House Historical Association. Retrieved January 26, 2018.

^ Borneman, p. 16

^ Borneman, pp. 16–18

^ Greenberg, p. 25

^ Borneman, p. 23

^ Borneman, pp. 23–24

^ Borneman, p. 24

^ Seigenthaler, pp. 38–39

^ Jump up to: a b Borneman, p. 26

^ Merry, pp. 30, 39–40

^ Seigenthaler, pp. 45–47

^ Seigenthaler, p. 46

^ Merry, pp. 42–43

^ Borneman, pp. 28–29

^ Seigenthaler, pp. 48–52

^ Seigenthaler, pp. 