By Everett, Eileen
By Clayton, Harold William, Straker, Denys Noel
By Taylor, Denis E.
By Gregory, O.B.
By Wilson, Anthony Walford
By Scholefield, Lynne
By Henry, Louis, Sheps, Mindel C., Lapierre-Adamcyk, Evelyne
By CIBA Foundation Staff
By Owen, R. J.
By Patston, A.G.
By Lamb, G.F.
By Elias, D.
By Claassen, V.
By Davies, N., etc.
By Rutten, M.G.
By Takahashi, K., Arakawa, H.
By McNaron, Toni
By Kammuller, M.E., etc., Bloksma, N., Seinen, W.
By Woodland, A.W.