Railroad Archives Online
- CollectionD0177A - Chuck Strawn Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemStrawn0303 - Great Northern (GN) Diesel Locomotive 410 at Wenatchee, Washington, March 1970
- ItemStrawn0310 - Great Northern (GN) Diesel Locomotive 403 at Appleyard, Washington, March 5, 1970