^ Jump up to: a b Strochlic, Nina (August 14, 2015). "Our Dirtiest President's Mistress Tells All". The Daily Beast. Retrieved August 15, 2015.

^ Dean, p. 162.

^ Murray 1969, pp. 456–457.

^ Murray 1969, p. 457.

^ Trani & Wilson, p. 208.

^ Ferrell, 2970.

^ Russell, pp. 632–633, 639–640.

^ Payne, pp. 125, 127.

^ Trani & Wilson, p. 209.

^ Dean, p. 163.

^ Jump up to: a b Coffey, p. 86.

^ Trani & Wilson, p. 211.

^ Coffey, pp. 88–89.

^ Coffey, p. 89.

^ Jump up to: a b Ferrell, 3474–3485.

^ Schlesinger, Arthur M. (November 1, 1948). "Historians Rate the U.S. Presidents". Life. pp. 65–66, 68, 73–74.

^ Jump up to: a b Murray 1969, p. 536.

^ Trani, Eugene P. (October 4, 2016). "Warren G. Harding: Impact and Legacy". Miller Center. Retrieved December 26, 2017.

^ Pecquet, Gary M.; Thies, Clifford F. (Summer 2016). "Reputation Overrides Record: How Warren G. Harding Mistakenly Became the 'Worst' President of the United States" (PDF). The Independent Review. Independent Institute. 21: 29–45. ISSN 1086-1653.

^ Bueno de Mesquita, Bruce; Smith, Alastair (2016). The Spoils of War. PublicAffairs. p. 255.

