Railroad Archives Online
- CollectionD0170a - Cascade Rail Foundation Walt Ainsworth Photograph Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- ItemWWAMP0065 - Milwaukee Road Number steam locomotive Number 53 at Tacoma, Washington in 1948.
- ItemWWAMP0713 - Milwaukee Road steam locomotive Number 5611 at Argo in Seattle, Washington circa 1925.
- ItemWWAMP1041 - Milwaukee Road steam locomotive Number 7032 at Tacoma, Washington in 1932.
- ItemWWAMP2064 - Milwaukee Road steam locomotive Number 263 at Lind, Washington in 1951.
- ItemWWAMP2040 - Milwaukee Road troop train at Easton, Washington in 1945.
- ItemWWAMP2455 - Milwaukee Road facilities at Othello, Washington circa 1920.