By Pledger, Keith, Keith Pledger
By Colin D. Simpson
By Rosemary Emanuel, John Wood
By Mark Rowland
By Ba, Amadou Hampaté
By Brian Moore, Stephen Jones
By Deryke Belshaw, the late Arthur Ian Livingstone
By Peter Stimpson, Steven Foden, Diane Mansell
By John Wolinski
By Beaver, Marian, Brewster, Jo, Jones, Pauline, Keene, Anne, Neaum, Sally, Tallack, Jill, Beaver, Neaum, etc.
By Boris Ford
By Fowler, P., Horsley, M.
By Haighton, June, Wake, X, Haworth, Anne
By School Mathematics Project
By Author Team, Combined
By CGP Books, CGP Books
By David Warsh
By Ledsham, Alf
By Trim, Jefferey, Adams, Martin, Haighton, June
By Tipler, M J
By McGill, Fiona, McLennan, Stewart, Migliorini, Jane, Fiona McGill, Stewart Mclennan, Jane Migliorini
By Lamming, Mr G, George
By John Kruschke (Indiana University, Bloomington, USA)
By Barrass, Robert
By Richard W. Baker (Membrane Technology and Research, Inc.)