By Natural History Museum
By G. M. Clarke, R.E. Kempson
By ALLEN J. COOMBES
By Agriculture, Fish.& Food, Min.of
By W. D. P. Stewart
By Mantell, S.H. Mantell, J.A. Matthews, R.A. McKee (Department of Botany, University of Leicester)
By HARVEY MOTULSKY
By RA Lelliott (Dunez, Head of the Plant Pathology Station, INRA, Bordeaux; D.), D. Stead
By P. S. Nutman
By F. N. Howes
By Thomas, E., etc.
By Hazim S. Daoud
By G.Clifford Evans
By George Homer Jenkins
By Henry Hobhouse
By Fortey, Richard
By Andreas Wagner
By Dave Goulson
By J. R. Press, Colin Emberson
By L.S. Cobley, W.M. Steele
By J.M.S.De Pury
By Alfred Max Mayer, Alexandra Poljakoff-Mayber
By H.J. Wilms, et al
By R. A. Dixon
By Donald R. Field, G. E. Wickens, J. R. Goodin
By Nicholas Harberd
By Tompkins, Peter, Bird, Christopher
By Huxley, Anthony