By Gordon, J. E.
By Lowenheim, Frederick A.
By Starr, Trevor
By Swallowe, G.M.
By Bowes, Donald
By Finkl, Charles W.
By Ruppert, Hans, Kappas, Martin, Ibendorf, Jens
By Vermaas, Pieter E., Vial, Stéphane
By Bardin, Andrea
By Graham, Carolyn
By Morfey, Christopher
By Crocker, Mj
By Plusquellec, Herve, Burt, Charles M., Wolter, Hans W.
By Raven, Francis H.
By Manning, Mick, Granström, Brita
By Long, David
By John Muir and Tosh Gregg
By Stead, D. H., Haynes, J. H.
By Sanderfoot, Alan E.
By Dyja, Eddie
By Cooper, Barrington, Gerlis, Laurence, Astill, T.P.
By Rich, Jason R.
By Scott, C.R.
By Creasey, D. J., Flood, J. E., Hughes, C. J.
By Matthews, Clifford
By Anon
By Anon, Haynes
By Barber, A.
By Institution Of Civil Engineers
By Robinson, Jancis