By Ridout, C.J.
By Cadogan, Alan, Best, Gerry
By Richards, Clare
By Common, Jack, Whitcombe, Vincent
By Constance Milburn
By Hay, J.
By Constance Milburn, David Taylor Gray
By Lewis, David R., McMonagle, Derek, McGonagle
By Lane, Sheila, Kemp, Marion
By Hunter, Ann, Sutherland, David
By Olejnik, Irena
By Goodrich, Frances, Hackett, Albert, Frank, Anne
By Milburn, Constance
By Gowers, Peter, Salisbury, John
By Peter Borrows, Steve Foster, Barbara Richardson
By Palmer, Martin, Bisset, Esther
By Fletcher, Eileen
By Elza Margrain, etc.
By Peter J. Gowers
By Peter Gowers, Gowers, Peter J.
By Pitcher, Caroline
By Scottish Mathematics Group
By Wilford, L.D.R.