By Highfield, Dr. Roger, Coveney, Peter
By Cotton, David
By Mathematics Centre
By Tim Glynne-Jones
By Selkirk, K.
By Norton, Arthur P., etc., Ridpath, Ian, Robinson, Leif
By Cox, Michael C.
By Grounds, S.
By Redmore, Alison, Griffin, Martin
By Lawrence, Eleanor
By Hesse, K.A.
By Miall, S., Miall, L.M., Sharp, David William Arthur
By O'Riordan, Timothy
By Jackson, Dr Andrew R.W., Jackson, Dr Julie M.
By Rogers, Cyril H.
By Loxton, Howard, Sayer, Angela
By Gwen Bailey
By Ginn & Co
By Targett, David
By Brissenden, Tom
By Stewart
By Goudie, Andrew S.
By Thomas, David S. G., Goudie, Andrew S.
By Tucker, M. E.
By Barnes, R. S. K., Calow, Peter P., Olive, P. J. W.
By Soffe, Richard J.