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
- 220 mwy...
- EitemEBP0739 - Great Northern Freight Car Technical Drawing, 1945
- EitemEBP0740 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0741 - Great Northern Freight Car Technical Drawing, 1925
- EitemEBP0742 - Great Northern Freight Car Technical Drawing, 1939
- EitemEBP0743 - Great Northern Freight Car Technical Drawing, 1926
- EitemEBP0744 - Great Northern Freight Car Technical Drawing, 1944
- EitemEBP0745 - Great Northern Freight Car Technical Drawing, 1928
- EitemEBP0746 - Great Northern Freight Car Technical Drawing, 1927
- EitemEBP0747 - Great Northern Freight Car Technical Drawing, 1928
- 333 mwy...