By School Mathematics Project
By Hewett, Barbara
By Brian Bolt, Bolt, Brian
By Colin Goldsmith, David Nelson, School Mathematics Project
By Bolt, Brian, Brian Bolt
By Roy Edwards, Mary Edwards, Alan Ward
By J. F. Humphreys, M. Y. Prest
By Stephen Bell, Peter Brown, Steven Buckley, Bell, Stephen, Brown, Peter, Buckley, Steven
By Snape, Charles, Scott, Heather
By Bolt, Brian
By John Ziman
By John E. Littlewood, Béla Bollobás