Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Part fabrication drawing
- 227 mais...
- ItemEBP0746 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0747 - Great Northern Freight Car Technical Drawing, 1928
- ItemEBP0748 - Great Northern Freight Car Technical Drawing, 1928
- ItemEBP0749 - Great Northern Freight Car Technical Drawing, 1921
- ItemEBP0750 - Great Northern Freight Car Technical Drawing, 1921
- ItemEBP0751 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0752 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0753 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0754 - Great Northern Freight Car Technical Drawing, 1924
- 326 mais...