By N/A
By Taylor, G.A.
By Liptrot, G.F., Thompson, J.J., Walker, G. R.
By W. A. Deer, etc., R A Howie, J Zussman, Deer, W. A., Howie, R A, Zussman, J
By Bryson, Bill
By Charles Went, Went, Charles
By Smith, Herbert Gladstone, Wells, Maurice Kingsley
By G. W. C. Kaye, T. H. Laby
By Anderson, Ian
By Whittaker, E. T., Watson, G. N.
By McCoy, Neal H.
By N. M. Queen
By Nuffield-Chelsea Curriculum Trust
By Dr. Khalid Saifullah
By Clark, Giles, Taylor, P. G., Gagan, J.M.F., Open University, Smart, Lesley E., P G, J M F, The Open University, Lesley E
By Keeler, James
By Hart, Harold
By Harold Hart, Leslie E. Craine, David J. Hart
By Djerassi, Carl
By Thompson, Dr. Michael
By SCHOOL LINK
By Arthur I. Vogel, D.SC. (London), D.I.C., F.R.I.C.
By M. Berry, C. Osborne, A. Peppin
By Sir Ian Heilbron / H M Bunbury
By Chemistry Project Team, ILEA
By Bob Bucat / Peter Fensham
By j c speakman
By Samuel M Selby