- 1GEC Traction Archive (GEC)
1846-1996, fonds - 2Polish State Railways contractors committee drawings (GEC/2/2/2/22)
1960-1965, file - 3Equipment layout and wiring diagrams (GEC/2/2/3/6)
1960-1986, file - 4Electrical equipment layouts (GEC/2/2/3/9)
1959-1965, file - 5Polish State Railways mechanical parts (GEC/2/2/2/133)
1955-1962, file - 6Overseas railways mechanical details and S.N.C.F. T.V.G prototype (GEC/2/2/1/69)
1958-1983, file - 7Post Office (London) Railway and overseas railways diagrams of connections (GEC/2/2/2/171)
1908-1934, file - 8Polish State Railways mechanical details and assembly of sealing plates (GEC/2/2/2/192)
1960-1962, file - 9Polish State Railways roof arrangements, side panels, cab frames, panelling and TM ducting (GEC/2/2/2/195)
1961-1963, file - 10Polish State Railways conduit layouts, wiring diagrams and arrangements of battery boxes (GEC/2/2/2/196)
1961-1962, file - 11Polish State Railways piping, plates and conduit layouts (GEC/2/2/2/230)
1960-1961, file - 12Gear arrangements, saddle tank steam locomotives, 2800 bhp diesel electric locomotive general outline, and general arrangements (GEC/2/2/7/9)
1929-1950, file - 13Polish State Railways piping and structure arrangements (GEC/2/2/2/263)
1961, file - 14Polish State Railways contract tracings (GEC/2/2/2/284)
1960-1964, file - 15Polish State Railways air piping, cab and frame arrangements and welded attachments (GEC/2/2/2/292)
1961-1962, file