By Heubeck, Alfred
By Bosworth, Mary
By Dr James Thomas, Dr Tanya Monaghan
By Peter Molnar, Peter Molnar (Professor of Geological Sciences, University of Colorado)
By Doyle, Professor William
By Betts, Raymond F.
By Harrison, Brian
By Evans, Malcolm
By Du Plessis, Paul
By Evans-Pritchard, Sir Edward E.
By Mair, Lucy P.
By Robey, David
By Trudgill, S.T.
By Coates, B.E., etc., Johnston, R. J., Knox, P. L.
By Goudie, Andrew S.
By Bryman, Prof. Alan
By FREEDEN, Michael
By Strawson, P. F.
By White, Alan Richard, Alan Richard White
By Parkinson, G. H. R.
By Linsky, Leonard
By Peters, R. S.
By Popper, Karl R., Karl R. Popper
By Alan Ryan
By Seuren, Pieter A. M.
By Glover, Jonathan
By Raz, Joseph
By Norman, Richard
By Katz, Jerrold J.