- 1Trade literature for GEC Traction Ltd and Predecessor Companies (YA1997.11)
1945-c1980, fonds - 2Photographs, Manuals and Brochures for GEC Electric Locomotives (YA2006.49)
1954-? 1975, fonds - 3Administration records (GEC/1)
1920-1993, sub-fonds - 4Drawing Office records (GEC/2)
1874-1994, sub-fonds - 5Engineering records (GEC/3)
1846-1993, sub-fonds - 6Sales and commercial records (GEC/4)
1849-1996, sub-fonds - 7Reports (GEC/1/1)
1920-1993, series - 8Files (GEC/1/3)
1953-1993, series - 9Drawings (GEC/2/2)
1874-1993, series - 10Order books (GEC/3/1)
1846-1974, series - 11Ordering schedules (GEC/3/2)
1946-1960, series - 12Weight books (GEC/3/3)
1934-1963, series - 13Order files (GEC/3/4)
1945-1968, series - 14Manuals (GEC/3/6)
1913-1984, series - 15Diagram books (GEC/3/7)
1951-1956, series
