By Fidge, Louis
By Rees, Rosemary, Styles, Susan J., Hook
By Shuter, Jane
By Richardson, Robin
By Riordan, James, Shipton, Paul, Warburton, Nick, Clayton, David, Gates, Susan
By Donaldson, Julia
By Whitelaw, Walter, Boyd, Joe
By Smith, Robin, Peacock, Graham
By School Mathematics Project
By Gallagher, Rosemarie
By Ball, Barbara, etc.
By Fielker, David
By McKay, Hilary
By Ashton, D., Noonan, C.
By Taylor, R John, Spooner, John, Page, Thelma, Steele, Ray, Michael, Vickery, Anitra, Frobisher, Anne, Len
By Cowling, Sandy, Crowden, Jane, King, Andrew, Mumford, Jeanette
By Green, Alison, Hurlstone, Jill, Skipper, Diane, Woods, Jane
By Sylvia Karavis, Karavis, Sylvia, Matthews, Gill
By McMorland Hunter, Jane, Buzan, Tony
By Cooper-Novack, Gemma
By Wass, Stephen, Nigel
By Hunt, Roderick, Brychta, Alex
By Mayo, Pam
By R. Hunt and A. Brychta, Kelly, Maoliosa
By Howell, Gill
By Jackman, John
By Howlett, Andy