- 1Civil Defence Archive for British Railways Eastern Region (CIVE)
1938-1972, fonds - 2Collection of architectural plans and civil engineering drawings of the North Eastern Railway and London & North Eastern Railway Companies (NECIV)
c 1860 - c 1960, fonds - 3Papers of Dr Michael Bonavia (BON)
1876 – 1994, fonds - 4Pipe arrangement end views (GEC/2/2/2/209)
1953, file - 5Mechanical parts for the British Transport Commission DE & DH prototype locomotives and for overseas railways locomotives including Queensland Government Railway, Central Argentine Railway, Nigerian Railway, Buenos Aires & Pacific Railway, Great Western Railway and RFDN (Brazil) (GEC/2/2/5/70)
1952-1956, file - 6Locomotive mechanical parts for overseas railways and for the British Transport Commission DH & DE locomotive prototype (GEC/2/2/5/72)
1953-1956, file - 7Pipe arrangements for EM-I class locomotives (GEC/2/2/2/361)
1949, file - 8Mechanical parts for overseas railways (GEC/2/2/2/371)
1954-1958, file - 9Covers, heat barriers, surge and reverser cases including for British Rail Eastern Region unit 312 (GEC/2/2/2/508)
1959-1965, file - 10Master controller arrangements and details (GEC/2/2/2/509)
1932, file - 11Control equipment panels and details for Malayan Railways, British Rail Southern Region (STEP) and Eastern Region, Danish State Railways, Pakistan Eastern Railway, Northern Ireland Railways, Portguese Railways, British Railways Board type 4 locomotive (GEC/2/2/2/630)
1965-1971, file - 12Underframe equipment cases and details for Danish State Railways and British Rail Southern Region, Eastern Region and London Midland Region ac coaches (GEC/2/2/2/635)
1950-1964, file - 13GEC Witton electrical equipment and wiring diagrams for british and overseas railways (GEC/2/2/9/8)
1940-1955, file - 14GEC Witton electrical equipment layouts including for Estoril Railway, Portugal, Ceylon Government Railways, Manchester-Sheffield-Wath electrification, South African Railways and Harbours and Victorian Railways (GEC/2/2/9/29)
1950-1951, file - 15English Electric Company test specifications (GEC/3/11/3)
1957, file