By Hankin, J.M.
By John Higgo, David Hobbs, Wally Milner, Martin Perkins, David Tall, Joe Watson, William Wynne Wilson
By Greer, Alex
By Sherran, Peter
By Fairhurst, John, John Fairhurst
By The Mathematical Association
By Smith, Ewart
By Smith, Ewart, Ewart Smith
By Murray, Les
By Layne, C., Bostock, L., Chandler, S., Shepherd, A., Smith, E.
By Bostock, L., Chandler, S., Shepherd, A., Smith, E.
By Nicholls, Frank
By Adams, Pam
By Speed, Brian
By Wilkes, Angela, Zeff, Claudia, Cartwright, Stephen
By Langdon, Nigel
By Langdon, Nigel, Cook, J.
By Thomas, Annabel, Round, Graham
By Brimax
By Kutzler, Bernhard