- 1GEC Traction Archive (GEC)
1846-1996, fonds - 2Coke car frame, end and front plates, mechanical details, general arrangements and wiring diagrams (GEC/2/2/7/8)
1928-1961, file - 3Gear arrangements, saddle tank steam locomotives, 2800 bhp diesel electric locomotive general outline, and general arrangements (GEC/2/2/7/9)
1929-1950, file - 4Central Africa Railway and Nyasaland Railways mechanical parts (GEC/2/2/5/101)
1951, file