George and Robert Stephenson : the railway revolution /

by Rolt, L. T. C., 1910-1974
Westport, Conn. : Greenwood Press, 1977

The railway revolution : George and Robert Stephenson /

by Rolt, L. T. C., 1910-1974
New York, St. Martin's Press 1962

George and Robert Stephenson; the railway revolution.

by Rolt, L. T. C., 1910-1974
[London] Longmans 1960