- 1Purvis Archive (PUR)
c 1920 - 1979, fonds - 2Crewe Locomotive Works Drawings (CREWE)
13 March 1845-15 May 1989, fonds - 3Engineering Drawings from the Derby Carriage and Wagon Works (DERBYC&W)
c 1877 - 1965, fonds - 4Highbridge Works Drawings (HIGHB)
1875 - 1930, fonds - 5Records of North British Locomotive Company Ltd & Constituent Companies (NBL)
1835 - 1959, fonds - 6Papers of Captain George Gibson Mallory (MAL)
29 August 1919 - 12 August 1954, fonds - 7Records of Wolverton Carriage and Wagon Works (WOLV)
1831-1993, fonds - 8Papers of Arthur Osborne Ladell (LAD)
1895-1940, fonds - 9Papers of R E L Maunsell, Chief Mechanical Engineer, Eastleigh Works (MAUN)
1 January 1824 - 17 March 1944, fonds - 10Horwich Works Locomotive Drawings (HOR)
1876 - 1979, fonds
