^ .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}Russell, Thomas (1923). The Illustrious Life and Work of Warren G. Harding, Twenty-ninth President of the United States. the University of Wisconsin–Madison. p. 51.

^ The New England Historical and Genealogical Register, Volumes 76–77. October 1923, p. 244

^ Gage, Beverly (April 6, 2008). "Our First Black President?". The New York Times.(subscription required)

^ Russell, p. 26.

^ Jump up to: a b c d Baker, Peter (August 12, 2015). "DNA Is Said to Solve a Mystery of Warren Harding's Love Life". The New York Times. Retrieved August 13, 2015.(subscription required)

^ Jump up to: a b c d e f Baker, Peter (August 18, 2015). "DNA Shows Warren Harding Wasn't America's First Black President". The New York Times.(subscription required)

^ Dean, p. 6.

^ Dean, pp. 7–9.

^ Sinclair, pp. 6–9.

^ Jump up to: a b c Dean, pp. 9–13.

^ Nevins, p. 252.

