Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Cyfres003 - Great Northern Railway Company (U.S.)
- Is-gyfres009 - Engineering Records
- 007 - Part fabrication drawing
- 227 mwy...
- EitemEBP0746 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0747 - Great Northern Freight Car Technical Drawing, 1928
- EitemEBP0748 - Great Northern Freight Car Technical Drawing, 1928
- EitemEBP0749 - Great Northern Freight Car Technical Drawing, 1921
- EitemEBP0750 - Great Northern Freight Car Technical Drawing, 1921
- EitemEBP0751 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0752 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0753 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0754 - Great Northern Freight Car Technical Drawing, 1924
- 326 mwy...