By DK:
By Robert Snedden
By Parker, Steve
By Kate Petty
By Ganeri, Anita, Herring, Peter, Obin, Roger Stewart, Sarson, Stewart, Roger
By Pope, Joyce
By Chris Woodford
By Fry, P.J., Schools Council, Bainbridge, Brian W., Holt, G., Schools Council Educational Use of Living Organisms Project
By Honeysett, Ian, Tear, Carol, Poole, Emma
By Greenwood, Tracey
By CGP Books
By Kilgour, O. F. G.
By Pickering, W. R.
By Klug, William S., Cummings, Michael R.
By Lemke, Jay L.
By Henri Galeron
By Rowett, HGQ
By Terry Jennings
By Books, CGP
By Deloughry, Mr Will, Fullick, Ann, Mr Patrick, Hiscock, Mr Mike, Jones, MR Peter, Naylor, Mr Phil, Stirrup, Mr Martin
By Wessels, Oliver-Pierre, Florence
By Rowland, Martin, Baker, Margaret
By Kate Rowan, Katharine McEwen
By Victoria Parker
By Louise Spilsbury, Richard Spilsbury