References for William Emerson
- Biography by Alsager Vian, rev. Niccolò Guicciardini, in Dictionary of National Biography (Oxford, 2004).
- W Bowe, Some account of the life and writings of the author, in W Emerson, Tracts (F Wingrave, London, 1793).
- R Gow, Letters of William Emerson and Francis Holliday to the publisher, John Nourse, British Society for the History of Mathematics Bulletin 21 (1) (2006), 40-50.
- C Lloyd, Cloddish beer drinker who played the numbers game, The Northern Echo (Monday 25 January 2010).
MacTutor History of Mathematics