By Unknown
By Katritzky, Alan R.
By Kahn, Jack, Nursten, Jean P., Carroll, Howard C.M.
By Smith, B.Babington, Farrell, B.A.
By Green, Maurice Berkeley, etc.
By Crang, Alan
By Open University
By Gilchrist, J.D.
By Rachman, S. J.
By Hersov, Lionel
By Everard, Peggie
By Whitaker, T.
By H. Kalmus
By Kent, Beverley
By Altmann, Simon L.
By Sylvia Chaplin and John Keighley
By Goddard, John B.
By Clark, M. J.
By Nora Jackson
By E. A. Moelwyn-Hughes
By Roy, R.
By The Royal Society of Medicine
By Gordon A. Message
By S, .W Hockey
By J. H. Sanders
By C. Plumpton and B. H. Chirgwin
By C. Plumpton and B.H. Chirgwin
By S. T. Butler, H. Messel