By Doff, Adrian, Jones, Christopher
By Budgell, Gill, Ruttle, Kate
By Bramer, M. A., Milne, R. W.
By Graham, I. M., Milne, R. W.
By Moore, Janet, Janet Moore
By Pickering, Andrew
By Bill Gillham
By School Mathematics Project
By Griffiths, A. Phillips
By Lacey, Michael James
By Welch, E
By Morgan, Wendy
By Maddicott, J. R.
By Kramer
By Frostick, Simon
By Gowing, Alain M
By Stafford, Christopher E.
By Milthorpe, F
By Benson, Barbara, Cuff, Charles, Elkin, Pauline
By Bailey, Roy E.
By McRoberts, Richard
By Hall, Nina
By Cadwell, J. H.
By Tirion, Will, Ridpath, Ian
By Prater, John
By Sinclair, Adriana
By Riley, K. F., Hobson, M. P., Bence, S. J.
By Hayes, Rosemary, Newsham, Ian
By Baer, Edith, Wightman, Margaret
By Rider, Cynthia, Clementson, John