By Clare, Jill, etc.
By Thorn, Sue, etc., Hall, June, Haslam, Mark
By David Hillard
By Serena Alexander
By Michael Handbury, Mark Patmore, John Jeskins, Howard Baxter, Jean Matthews, Handbury, Michael, Patmore, Mark, Jeskins, John, Baxter, Howard, Matthews, Jean
By Ray Allan, Nina Patel, Martin Williams, Allan, Ray, Patel, Nina, Williams, Martin
By Gravetter, Frederick J., Wallnau, Larry B.
By Tipler, M. J.
By School Mathematics Project
By Ball, Derek, Barbara
By Dickinson, Paul, Hough, Susan, Eade, Frank, Gough, Steve, Dudzic, Stella
By Moscovich, Ivan
By Goodwin, John
By Langdon, Nigel, Snape, Charles
By Marilyn Burns, Burns, MARILYN
By Brenda Walpole, Walpole, Brenda, Tinkler, Dennis, Fairclough, Chris
By Julius, Edward H.
By Brian Bolt, Bolt, Brian
By Hind, Mark Andrew
By Firth, Peter
By Letts
By Lindsay, Sarah, Baines, Andrew, Down, Frances
By Cambridge School Classics Project
By Paul Broadbent, Broadbent, Paul & Patilla, Peter
By Steve Mills, Hilary Koll
By Maltman, Tom, McConkey, Stephen