By Chanin, P.R.F.
By Quinn, Francis M.
By Read, Donald
By Dingwall, Professor Robert
By Sinha, R.
By Clapham, Christopher
By Baylis, John, etc.
By Narkiewicz, Olga A.
By Pforr, Manfred, Limbrunner, Alfred, Robertson, Iain, Stoneman, R.
By Buttel, J., Newby, D.
By Lunn, Kenneth, Thurlow, Richard C.
By Gower, D.B.
By Payne, Chris, White, K.J.
By Schaffer, E.
By Sadow, J., etc.
By Knight, G. Wilson
By Wymer, John
By Craig, C.
By Robert Dingwall
By Jones, Colin A.
By Lundahl, Mats
By Paine, L.H.W.
By Thomas, Alan
By Osleeb, Jeffrey P., Zumbrunnen, Craig
By Berkeley, Humphry
By Rayner, Judy
By Putman, R.J., Wratten, Stephen D.
By William E. Kapelle
By Taylor, Peter J., Johnston, R. J.
By Anne Parry