References for P J Heawood
Version for printing
- Obituary in The Times [available on the Web]
- G A Dirac, Percy John Heawood, J. London Math. Soc. 38 (1963), 263-277.
- J Duff, Percy John Heawood, Nature 75 (26 February), 1995), 368-.
JOC/EFR October 2003
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