Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Part fabrication drawing
- 204 mais...
- ItemEBP0723 - Great Northern Freight Car Technical Drawing, 1940
- ItemEBP0724 - Great Northern Freight Car Technical Drawing, 1939
- ItemEBP0725 - Great Northern Freight Car Technical Drawing, 1938
- ItemEBP0726 - Great Northern Freight Car Technical Drawing, 1928
- ItemEBP0727 - Great Northern Freight Car Technical Drawing, 1939
- ItemEBP0728 - Great Northern Freight Car Technical Drawing, 1935
- ItemEBP0729 - Great Northern Freight Car Technical Drawing, 1936
- ItemEBP0730 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0731 - Great Northern Freight Car Technical Drawing, 1937
- 349 mais...