- 1Bus mechanical parts (GEC/2/2/2/248)
1939-1940, file - 2Mechanical parts and a general arrangement of a Manchester Corporation four wheel trolleybus (GEC/2/2/2/334)
1939-1940, file - 3Wiring and mechanical details for a Manchester double-decker bus (GEC/2/2/2/352)
1939-1940, file - 4Records of the Museum of British Transport, Clapham (CLAP)
June 1922 - October 1974, fonds