Donald Coxeter -- Mathematician - Biographical and career data from the "Great Canadian Scientists" series. fas.sfu.ca/css/gcs/scientists/Coxeter/coxeter.html
H.S.M. Coxeter - Biography of Donald Coxeter (1907-) from an online History of Mathematics. www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Coxeter.html