Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Part fabrication drawing
- 88 mais...
- ItemEBP0607 - Great Northern Freight Car Technical Drawing, 1926
- ItemEBP0608 - Great Northern Freight Car Technical Drawing, 1926
- ItemEBP0609 - Great Northern Freight Car Technical Drawing, 1927
- ItemEBP0610 - Great Northern Freight Car Technical Drawing, 1931
- ItemEBP0611 - Great Northern Freight Car Technical Drawing, 1926
- ItemEBP0612 - Great Northern Freight Car Technical Drawing, 1924
- ItemEBP0613 - Great Northern Freight Car Technical Drawing, 1911
- ItemEBP0614 - Great Northern Freight Car Technical Drawing, 1906
- ItemEBP0615 - Great Northern Freight Car Technical Drawing, 1922
- 465 mais...