Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Part fabrication drawing
- 222 mais...
- ItemEBP0741 - Great Northern Freight Car Technical Drawing, 1925
- ItemEBP0742 - Great Northern Freight Car Technical Drawing, 1939
- ItemEBP0743 - Great Northern Freight Car Technical Drawing, 1926
- ItemEBP0744 - Great Northern Freight Car Technical Drawing, 1944
- ItemEBP0745 - Great Northern Freight Car Technical Drawing, 1928
- 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
- 331 mais...