By School Mathematics Project
By Colin Vout, Gordon Gray
By Brian Bolt, Bolt, Brian
By Jacqueline Lopez Cascante
By Beryl Austoni, Penny Lucas, Austoni, Beryl, Lucas, Penny
By Louise Hashemi, Barbara Thomas, Hashemi, Louise, Thomas, Barbara
By Marian Cox, Cox, Marian
By John O'Connor, O'Connor, John
By Douglas Quadling, Hugh Neill
By Andy Cooke, Jean Martin, Cooke, Andy, Martin, Jean
By Peter Clarke
By Sue Warn, Cameron Dunn, Sparke, Linda S., Gallagher III, John S.
By Cambridge School Classics Project
By Bryan Milner, Milner, Bryan
By Peter V. Jones, Jones, Peter V.
By John Murrell