Railroad Archives Online
- FondsD0063 - Walter W. Ainsworth Collection
- Cyfres003 - Great Northern Railway Company (U.S.)
- Is-gyfres014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- EitemWWAPC0256 - Great Northern Railway diesel locomotive number 77 at Renton, Washington, circa 1953.
- EitemWWAPC0257 - Great Northern Railway diesel locomotive number 77 at Renton, Washington, circa 1953.
- EitemWWAPC0258 - Great Northern Railway diesel locomotive number 228 at Renton, Washington, circa 1965.
- EitemWWAPC0259 - Great Northern Railway diesel locomotive number 228 at Renton, Washington, circa 1965.
- EitemWWAPC0260 - Great Northern Railway diesel locomotive number 228 at Renton, Washington, circa 1965.
- 412 mwy...