By Swift, Digby G.
By Ramsden, Eileen
By Breithaupt, Jim, Bradley, Ray
By Fielden, Sally, Wellington, J. J.
By Paulette, Bourgeois
By Akrill, T.B., etc., Bennet, George Arthur Grey, Millar, Christopher John
By Hall, Terry B.
By Akrill, T.B., etc., Bennett, G. A. G., Millar, Christopher John
By Smith, T., etc., Tear, Carol, Yate, Alan
By Walpole, Brenda, Tinkler, Dennis, Fairclough, Chris, Fairclough, Chris
By Newson, Lesley
By Edwards, Nicola, Harris, Jane, Harris, Jane, Cornish-Trestrail, Julian
By Harris, Jane, Edwards, Nicola
By Edwards, Nicola, Harris, Jane
By Duncan, Tom
By O'Donoghue, John
By Ashhurst, W.
By Whelan, Patrick Michael, Hodgson, M.J.
By Advanced Physics Project for Independent Learning
By Whelan, P.M., Hodgson, M.J., P.M. Whelan, M.J. Hodgson