C.F. Dendy Marshall A History of Railway Locomotives down to the end of the year 1831, 1853; Ahrons and Nock The British Steam Railway Locomotive 1825-1965 (2 vols), Henry Sampson World Railways 1950-1951 and 1952-1953, and Agnew Electric Trains 1937 (2 vols). Most in good to fine d/jkt. (7)