- 1Records of North British Locomotive Company Ltd & Constituent Companies (NBL)
1835 - 1959, fonds - 2A History of the North British Locomotive Co Ltd (YA1999.83)
1953, item - 3Business records of Grimshaw Brothers Limited (YA2007.92)
1866-c1970, fonds - 4Drawing Office records (GEC/2)
1874-1994, sub-fonds - 5Drawings (GEC/2/2)
1874-1993, series - 6Weight books (GEC/3/3)
1934-1963, series - 7Estates Records (YA2007.92/5)
1892-1949, series - 8Fire insurance policy (YA2007.92/5/2/1)
1892-1900, file - 9Fire insurance policy (YA2007.92/5/2/4)
1906, item - 10North British Locomotive Co Ltd drawings (GEC/2/2/29)
1936-1966, sub-series - 11Engine, air, water and vacuum pipes arrangements for the British Rail Class 21 (GEC/2/2/29/1)
1956-1964, file - 12Piping and vacuum arrangements for a Class 21 (GEC/2/2/29/2)
1955-1957, file - 13Platform and frame arrangements for type 2 locomotives (GEC/2/2/29/3)
1955, file - 14Fire insurance policies (YA2007.92/5/2)
1892-1915, sub-series - 15Class 21 locomotives mechanical parts (GEC/2/2/29/4)
1952-1966, file
