By Unidentified Author
By Michael Gopfert, Jeni Webster, M.V. Seeman
By Waller, David, Weidmann, Ann
By Llewellyn, Claire
By Stanton, Graham N.
By N/A
By Tsokos, K. A.
By Davies, P
By Hacking, Ian
By Longair, Malcolm S.
By Sondheimer, Ernst, Rogerson, Alan
By Davies, Paul, Gregersen, Niels Henrik
By Berry
By K. H. Stewart
By Jackson, Dudley
By School Mathematics Project
By Dupuy, Pierre-Marie
By Clark, J.C. D.
By The School Mathematics Project
By Khaliq, Urfan
By Goody, Jack
By Graham Woan
By Tabor
By Harding, Rosie