Railroad Archives Online
- CollectionE0477 - BNSF Maps, Drawings and Records Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2004 - Locomotive Diagram
- ItemEBP1372 - Great Northern Electric Locomotive Technical Drawing, undated
- ItemEBP2290 - Great Northern Steam Locomotive Technical Drawing, undated
- ItemEBP3074 - Great Northern Steam Locomotive Technical Drawing, 1905
- ItemEBP3075 - Baldwin Locomotive Works Steam Locomotive Technical Drawing, undated
- ItemEBP3076 - Baldwin Locomotive Works Steam Locomotive Technical Drawing, undated
- 9 more...