By Great Britain: Department of the Environment
By Institution Of Civil Engineers
By Hopkinson, Frank
By David McCullough
By Brian Barr, Leo Grutters
By J. M. Richards
By L T C Rolt, Neil Cossons
By F. Hall
By J. Garth Watson
By Building Surveys Faculty
By Larry Zimmerman, Glen Hart
By Christian Wolmar
By Transport, Dept.of
By Pamela Sammons
By Paul Mason (Cardiff University, Cardiff, United Kingdom)
By N. JACKSON
By Arthur Thompson
By T.M. Megaw
By Victor Charles Launder
By Maynard, Christopher
By Tim Freeman, Richard M.C. Driscoll, G S Littlejohn
By Christopher Maynard
By B. Martin, F. Christie
By David Shrier
By Sarah Kerr