By Buxton, Laurie
By Heath, Royal V.
By Sauvy, Jean, Simonne
By Dolan, Stan, Haighton, June
By Allison Paige Bruner
By Pimentel, Ric, Wall, Terry
By Drews, Doreen, Dudgeon, John, Hansen, Alice, Lawton, Fiona, Surtees, Liz
By Patmore, Mark
By Chinn, Steve
By Fletcher, Mike, Mooney, Claire
By Cooper, Richard, Curl, Beverly, Davies, Garry
By Koll / Mills, Koll, Hilary, Mills, Steve, Hilary Koll, Steve Mills
By Spiegel, murray-r-spiegel
By Pearson, David Alan
By Alex Berke, Alex Bellos
By Martin Erwig
By School Mathematics Project
By Allan, Ray, Williams Martin
By Clough, Tony
By Capewell, Dave
By Senior, Trevor
By CGP Books
By Pledger, Keith
By Wilder, R.L.
By Mills, Steve, Koll, Hilary
By Aleksandrov, A. D.
By Ansell, Bob, Robb, Andy
By Gage, Jenny, Spiegelhalter, David, Jenny Gage, David Spiegelhalter