George & Robert Stephenson
Robbins, Michael.
National Railway Museum.
Science Museum (Great Britain)
London H.M.S.O.
1981
Previous ed.: London : Oxford University Press, 1966
At head of title: National Railway Museum, York, Science Museum, London
Bibliography: p63-64. - Includes index
Stephenson, George, 1781-1848.
Stephenson, Robert, 1803-1859.
Railroad enginers