- 1Archive of Robert Stephenson & Co Ltd (ROB)
1823 – c 1960, fonds - 2Papers of John Melling, Locomotive Superintendent (MEL)
1837 - 30 January 1885, fonds - 3Illustrated Catalogues of Details for Beyer-Garratt Steam Locomotive (YA1996.2737)
1911-1930, fonds - 4Doncaster Works Drawings and Registers (DON)
1850 - 1968, fonds - 5Battery mining locomotive drawings (GEC/2/2/2/1)
1956-1964, file - 6Bogie drawings (GEC/2/2/2/2)
1956-1964, file - 7Frame drawings of ISCOR locomotives (GEC/2/2/1/1)
1974-1988, file - 8Tender bogie drawings (GEC/2/2/5/1)
1949-1955, file - 9Parts detail drawings for WG Bagnall Ltd (GEC/2/2/5/2)
1955-1958, file - 10Mechanical parts drawings for South African locomotives (GEC/2/2/1/2)
1981, file - 11Mechanical parts drawings for Brazil, South Africa Railways and British Rail Class 373 (GEC/2/2/1/3)
1953-1989, file - 12Bogie drawings for Brazil Steel Railway (GEC/2/2/1/4)
1976-1989, file - 13Wheel and axle drawings (GEC/2/2/1/5)
1956-1986, file - 14Electrical parts of cables, conduits and clips drawings (GEC/2/2/2/4)
1959-1971, file - 15South African Railways electric loco layouts (GEC/2/2/1/6)
1974-1988, file
