References for Herbert Turnbull

  1. Biography in Encyclopaedia Britannica.
    http://www.britannica.com/biography/Herbert-Westren-Turnbull

Articles:

  1. W Ledermann, Herbert Westren Turnbull, J. London Math. Soc. 38 (1963), 123-128.
  2. W Ledermann, Memoir : Two Mathematical Cultures, British Society for the History Mathematics Newsletter 41 (Spring 2000), 5-10.
  3. W Ledermann, Private communication (2000).
  4. H W Turnbull, Letter to W Ledermann - 16 July 1938 (unpublished).