By Porges, F.
By Harris, Frank, McCaffer, Ronald
By Tony Vernon
By Munroe, Blair
By Glover, Julian
By Roper, Peter
By Pells
By Tamminen, Terry
By Darwent, Thelma D.
By Jones, Colin J.F.P.
By Tomlinson, M. J., Steedman, James C.
By Barends, F.B.J., Lindenberg, J., Luger, H.J., Verruijt, A., de Quelerij, L.
By Bray, R N, Bates, A D, Land, J M
By Attewell, P.B., Farmer, I.W.
By Thorburn, S., Hutchison, J.F.
By Bell, A. L.
By Institution of Civil Engineers (Great Britain)
By Bowers, Brian
By Plusquellec, Herve, Burt, Charles M., Wolter, Hans W.
By Hasegawa, Fumio
By Bravery, A. F., Berry, R.W., Carey, J.K., Cooper, D.E.
By Thomas, Rhodri
By Harvey, J.
By Bon, Ranko, Crosthwaite, David
By Archibold, O.W.
By Rossi, G., Cancelliere, Antonino, Pereira, L.S., Oweis, Theib, Shatanawi, Muhammad, Zairi, Abdelaziz