Matematyk brytyjski.

The q-Schur algebra / S. Donkin. - Cambridge ; New York, 1990. (Queen Mary and Westfield College, London)

LCA online

www.genealogy.math.ndsu.nodak.edu/html/id.phtml?id=82227

http://maths.york.ac.uk/www/sd510 (Department of Mathematics, University of York, Heslington, York, UK)