Railroad Archives Online
- CollectionD0142 - Alden M. Raney Collection
- Series004 - Northern Pacific Railroad Company materials
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3004 - Railroad Passenger Cars
- ItemAMR-009 - Northern Pacific Railroad Company coach 330 at Portland, Oregon in 1966.
- ItemAMR-064 - Spokane, Portland and Seattle Railway passenger cars at Portland, Oregon (undated).
- ItemAMR-072 - Northern Pacific Railroad Company business car Gailatin River at Portland, Oregon in 1959.
- ItemAMR-110 - Northern Pacific Railroad Company heater car H-1 at Portland, Oregon in 1963.
- ItemAMR-199 - Northern Pacific Railroad Company business car Green River at Portland, Oregon in 1959.
- ItemAMR-229 - Northern Pacific Railroad Company dome coach at Portland, Oregon in 1959.