- 1Records of Nasmyth, Wilson & Co Ltd, Locomotive Builders, Patricroft (NAS)
1839 - 1938, 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 - 4Stoke Works Drawings (STOKE)
1868 - 1927, 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 - 7Horwich Works Locomotive Drawings (HOR)
1876 - 1979, fonds
