- 1Archive of Robert Stephenson & Co Ltd (ROB)
1823 – c 1960, fonds - 2Records of Nasmyth, Wilson & Co Ltd, Locomotive Builders, Patricroft (NAS)
1839 - 1938, fonds - 3Drawings of the Midland Railway Extension to London (St Pancras) (STPX)
1867 - 1871, fonds - 4Melton Constable Carriage and Wagon Works Drawings (MELT)
1881 - 1936, fonds - 5Plaistow Works Locomotive Drawings (PLAI)
c 1880 to 1938, fonds - 6Stoke Works Drawings (STOKE)
1868 - 1927, fonds - 7Records of North British Locomotive Company Ltd & Constituent Companies (NBL)
1835 - 1959, fonds - 8Gorton Works Contractors' Drawings (GOR)
1850 - 1950, fonds - 9Records of Wolverton Carriage and Wagon Works (WOLV)
1831-1993, fonds - 10Records from the library of Sir Daniel Gooch, 1st Baronet (GOO)
1840-1862, fonds - 11GEC Traction Archive (GEC)
1846-1996, fonds - 12Film - GEC Power Engineering: Is Anyone Going to Change? (GEC/4/6/12)
1978, item - 13Footage of wheelslip tests with Intercity 125 (GEC/4/6/25)
1989, item - 14Footage of testing traction propulsion equipment (GEC/4/6/26)
c 1990, item - 15Footage of GEC Alsthom in Preston and Manchester (GEC/4/6/27)
1995, item