| CA001 | Margolese collection. |
| CA003 | Greenwald collection. |
| CA006 | Robert R. Brown collection. |
| PA001 | Montreal Locomotive Works fonds. |
| PA002 | Bombardier fonds. |
| PA003 | James Plomer fonds. |
| PA004 | Richard Binns fonds. |
| PA005 | Canadian Pacific Railway Navigation Department fonds. |
| PA006 | Canadian Pacific Railway Passenger Department fonds. |
| PA007 | Mable Elizabeth Bevington. |
| PA008 | Charles Bowman fonds. |
| PA009 | Canadian Car & Foundry fonds. |
| PA012 | Charles Melville Hays fonds. |
| PA014 | John Loye fonds. |
| PA015 | Robert Van Vleit Nicholls. |
| PA016 | Paige fonds. |
| PA017 | Joseph Haynes fonds. |
| PA018 | Charles Worthington Spencer fonds. |
| PA019 | Charles Terroux fonds. |
| PA020 | Guy Tombs fonds. |
| PA021 | Alan Toohey fonds. |
| PA022 | William Cornelius Van Horne. |
| PA023 | John Pringle Watson fonds. |
| PA024 | Sanborn Worthen fonds. |
| PA025 | Fitzroy Riley fonds. |
| PA026 | Robert Legget fonds. |
| PA027 | Canadian Railroad Historical Association fonds. |
| PA028 | Henry Holgate fonds. |
| PA029 | Canadian National Railway fonds. |
| PA030 | Canadian Pacific Railway fonds. |
| PA031 | Norris Adams fonds. |
| PA032 | Edward Beatty fonds. |
| PA033 | Nye Fonds. |
| PA034 | Grier Thorton fonds. |
| PA035 | Henry Philips fonds. |
| PA038 | D.E. Blair fonds. |
| PA039 | James Bonar fonds. |
| PA042 | Montreal Tramways Company fonds. |
| PA043 | E.D. Donnell fonds. |
| PA045 | Andrew Ross fonds. |
| PA046 | Shepperd fonds. |
| PA056 | Grand Trunk Railway System fonds. |
| PA057 | Shanly family fonds. |
| PA058 | Onischuk fonds. |
| PA100 | Raymond Corley collection. |