Railroad Archives Online
- CollectionD0142 - Alden M. Raney Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3010 - Miscellaneous
- 13 more...
- ItemAMR-326 - Portland Zoo Railway steam locomotive Oregon at North Portland, Oregon in 1959.
- ItemAMR-327 - Portland Zoo Railway passenger cars at North Portland, Oregon in 1959.
- ItemAMR-328 - Portland Zoo Railway passenger cars at North Portland, Oregon in 1959.
- ItemAMR-329 - Portland Zoo Railway steam locomotive Oregon at North Portland, Oregon in 1959.
- ItemAMR-421 - Morrison Knudsen Steam tug boat Portland at Portland, Oregon in 1981.