^ abcdHugman, Barry J., ed. (2005). The PFA Premier & Football League Players' Records 1946–2005. Harpenden: Queen Anne Press. p. 497. ISBN978-1-85291-665-7.
^"Les Porter". Barry Hugman's Footballers. Retrieved 22 December 2019.
^"England & Wales deaths 1837–2007 Transcription". Leslie Porter. Birth date: 5 May 1923. Death quarter: 4. Death year: 2002. District: Middlesbrough. County: Yorkshire. District number: 3481D. Register number: D14A. Entry number: 191. Retrieved 4 January 2015 – via Findmypast.
^ abJarred, Martin; Windross, Dave (1997). Citizens and Minstermen, A Who's Who of York City FC 1922–1997. Selby: Citizen Publications. p. 82. ISBN978-0-9531005-0-7.
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