By Middleton, Haydn
By McCullagh, Patrick
By Kelly, David, Fretwell, Muriel, David Kelly, Muriel Fretwell
By Robson, Walter, Walter Robson
By Woodward, E. Llewellyn
By Broadley, Simon, Matthews, Mark, Stutt, Victoria, Thomas, Nicky, Locke, Jo, Gardom Hulme, Philippa, Chandler-Grevatt, Andrew
By Grundy, Valerie, Rollin, Nicholas
By Seely, John
By Bonney, Richard
By A Collins
By Liz Hocking, Mary Bowen
By Gregory, Oliver, Oliver Gregory
By Cornford, Annie
By Mark Powell, John Allison
By Ridout, C.J.
By Erlandson, Keith
By Haddon, Celia
By Worldaware
By Benton, Michael, Benton, Peter
By Open University, Open University
By Hutchinson, Lynn
By Evans, David A.
By Lynch, Michael, Michael Lynch
By Aylett, John
By Randell, Keith
By Anderson, Angela
By University of York Science Education Group, Nuffield Curriculum Centre
By Pickering
By Elvin, R., etc.
By Rayner, D., D. Rayner