By Ferguson, Victor I.
By P. F Jenkins
By Donald Reid, Philip Booth, Reid, Donald, Booth, Philip
By Donald Reid, Philip Booth
By Brierley, John Keith
By John Keith Brierley
By Clegg, A.G., Clegg, P.Catherine, P.C. Clegg
By Darlington, Arnold
By W.H. Freeman, Brian Bracegirdle
By Croll, Neil A.
By Anthony Payne
By J.R. Bendall
By Berrill, N.J.
By Salters' Science Team
By Davies, L., etc., L. Davies, M.J. Denial, A.W. Locke, M.E. Reay
By Davies, L., etc.
By A. H. Johnstone, I.M. Duncan
By Holderness, A.
By Thomas, Reginald William
By Hillman, Robin A.H.
By Lambert, John, Holderness, A.
By Lambert, John, Muir, T.A.
By Murray, Peter R.S., Peter R.S. Murray
By Mansfield, D.
By Harrison, D.R.
By Honeysett, Mr Ian, Lees, Dr David, Macdonald, Dr Averil, Bibby, Mr Steve