By F.K. North
By Peter Calow
By Holland, K. T., etc., Knapp, J. S., Shoesmith, J. G.
By Professor R. G. Park
By Williams, D. F., Schmitt, W. H.
By Huber, J. P., Rosneck, M.
By Haynes, R.
By Goel, N.S., Thompson, Richard L.
By Bergeron, Janick
By Keating, Michael, Bricaud, Pierre
By Newble, David, Cannon, Robert, Kapelis, Zig
By Ben Green
By Bromley, Richard G.
By Gregori, Thomas R.De
By van Dam, Cees
By Gabbay, Dov M., Guenthner, F.
By Kinloch, A. J., Young, Robert J.
By Empel, M. Van
By Sadleir, Richard F.M.S.
By Unidentified Author
By Halter / Garner / Tytgat
By Fry, John
By Chiswick, Malcolm L.
By Graham, Arthur Kenneth, Durney, Lawrence J.
By Fleming, W.G.K., etc., Weltman, A.J., Randolph, M.F., Elson, W.K.
By Preumont, Andre