- 1R & W Hawthorn Leslie & Co Archive (HL)
1846-1963, fonds - 2Papers of J O P Hughes (HUG)
c 1950 - Autumn 1975, fonds - 3Bogie drawings for Brazil Steel Railway (GEC/2/2/1/4)
1976-1989, file - 4Wheel and axle drawings (GEC/2/2/1/5)
1956-1986, file - 5Conduits and cables, cleats and brackets drawings (GEC/2/2/1/7)
1967-1978, file - 6Mechanical details for industrial locomotives (GEC/2/2/7/1)
c 1955-1962, file - 7British Steel Corporation diesel electric steel work shunter outlines (GEC/2/2/1/8)
1974-1979, file - 8Electrical parts drawings for industrial overseas locomotives (GEC/2/2/1/9)
1975-1984, file - 9British Steel Corporation diesel electric steel work shunter outlines and general arrangements (GEC/2/2/1/10)
c 1977-1978, file - 10Instrument and parcels drawings for industrial locomotives (GEC/2/2/1/12)
1967-1974, file - 11Axle box guide casting drawings (GEC/2/2/1/13)
1967-1984, file - 12Brake gear details for ISCOR locomotives (GEC/2/2/1/14)
1967-1976, file - 13Mechanical details for ISCOR locomotives (GEC/2/2/1/15)
1975-1979, file - 14Mechanical details for Pakistan and Western Brazil locomotives (GEC/2/2/1/16)
1957-1981, file - 15Spares lists and mechanical parts (GEC/2/2/8/1)
1957-1968, file