References for P J Heawood

  1. Obituary in The Times [available on the Web]

Articles:

  1. G A Dirac, Percy John Heawood, J. London Math. Soc. 38 (1963), 263-277.
  2. J Duff, Percy John Heawood, Nature 75 (26 February), 1995), 368-.

October 2003

MacTutor History of Mathematics
[http://www-history.mcs.st-andrews.ac.uk/References/Heawood.html]