By Yorkston, Kathryn M., etc.
By Shaw, Robert W.
By Dawber, Rodney P. R., etc., Colver, Graham, Jackson, Arthur
By Taylor, David, Paton, Dr. Carol, Kerwin, Robert
By Reading, Hugo F.
By Rosser, W. G. V., McCullough, R.K.
By Fleisch, Herbert
By Studd, John W. W.
By Woolf, Anthony D., Dixon, Allan St J.
By Marks, R.
By Smart, Barry
By G.H.A. Cole, W.G. Watton
By Guest, J. E., Greeley, Ronald, R. Greeley
By Tayler, R. J.
By Jackson
By D. H. McIntosh and A.S.Thom
By Perkins, William H., Kent, Raymond D.
By Sell, R.G., Shipley, P.
By Grandjean, E., Davis, P. R. ldroyd, Oldroyd, H.
By Michael Farrell
By Julie Sanders
By C. Guignon, Guignon, Charles, C.
By McLuhan, Marshall
By D. H. Martin
By N/A