Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 007 - Part fabrication drawing
- 419 en plus...
- PièceEBP1142 - Butler Brothers Bridge Technical Drawing, 1911
- PièceEBP1145 - Great Northern Freight Car Technical Drawing, 1902
- PièceEBP1173 - Great Northern Technical Drawing, Corson, South Dakota, 1943
- PièceEBP1182 - Steam Locomotive Technical Drawing, 1927
- PièceEBP1208 - Steam Locomotive Technical Drawing, 1927
- PièceEBP1302 - Great Northern Freight Car Technical Drawing, 1927
- PièceEBP1303 - Steam Locomotive Technical Drawing, undated
- PièceEBP1347 - Great Northern Steam Locomotive Technical Drawing, undated
- PièceEBP1370 - Great Northern Steam Locomotive Technical Drawing, undated
- 134 en plus...