By Harold S. Ludman, Patrick J. Bradley
By Hunter, John A. A., Savin, John
By Peter Washer (Imperial College London)
By W.T.S. Gould (University of Liverpool, UK)
By Pierre-Augustin Beaumarchais
By Martin Evans, Emmanuel Godin
By Beaumarchais, Pierre-Augustin Caron de, Coward, David
By Knox, Paul L., Marston, Sallie A.
By Charles Finance, Susan Zwerman
By Avison, David, Fitzgerald, Guy
By Stuart Bell, Donald McGillivray
By Jean-Marc Lawton, Richard Gross, Geoff Rolls
By Michael Eysenck (Royal Holloway, University of London, UK)
By Morpurgo, Michael
By John Foster, Simon Foster
By Foster, John, Simon, Richardson, Kim
By Foster, John, Simon
By Fiehn, Julia, Terry
By Fiehn, Terry
By Eileen Osborne, Stephanie Yates
By L. Wieger
By Sanders, Paul
By M. R. Heylings
By Soars, Liz, John, Wheeldon, Sylvia
By Liz Soars, John Soars
By Tonge, Neil
By SPMG, Scottish Primary Maths Group