Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3009 - Electric Locomotives
- 5 more...
- ItemWWA-0093 - Milwaukee Road boxcab Number E-22 at Black River, Washington in 1963.
- ItemWWA-0344 - A Milwaukee Road boxcab locomotive set along the Yakima River in Washington, undated.
- ItemWWA-0346 - Milwaukee Road Number E-22 eastbound at Ellensburg, Washington in 1965.
- ItemWWA-0347 - Milwaukee Road Number E-50 at Ellensburg, Washington in 1971.
- ItemWWAMP1400 - Milwaukee Road Electric Locomotive Number 10253 at Easton, Washington in 1923.
- ItemWWAMP1407 - Milwaukee Road Electric Locomotive Number E-4, at Renton, Washington in 1948.
- ItemWWAMP1496 - Milwaukee Road Electric Locomotive Number 10505 at Seattle, Washington near Black River in 1938.
- ItemWWAMP1501 - Milwaukee Road Electric Locomotive Number 10505 at Seattle, Washington near Black River in 1934.
- ItemWWAMP1504 - Milwaukee Road Electric Locomotive Number E23A at Renton, Washington in 1953.
- 5 more...