By BBC
By Dierker, Paul F
By Rosen, Kenneth H.
By Goodaire, Edgar G., Parmenter, Michael M.
By Repka, Joe
By Hunter, Geoffrey
By Sharpe
By Jethro Bithell
By D.F.Shriver
By Brian H Kaye
By Wesley WM. Wendlandt and Harry G.Hecht
By J.E.Prue
By D.W.F. HARDIE
By R.S.Cahn
By H. London
By Leadley, P.F., P. F.
By Speakman, James Clare
By Malcom Dixon
By Ian Nicolson, Chris Cooper, Pam Spence, carole stott
By Cotton, F. Albert, Wilkinson, Sir Geoffrey
By Stanley H. Pine
By Warren, Stuart
By Andrew Streitwieser, Clayton H Heathcock
By Bishop, David M.
By James E Huheey
By Atkins, Peter W.
By Lowry, Thomas H., Richardson, Kathleen Schueller
By CN Barnwell
By JK Backhouse, SPT Houldsworth
By F.G.J. Norton