Railroad Archives Online
- D0142 - Alden M. Raney Collection
- Ro`yxat004 - Northern Pacific Railroad Company materials
- Ro`yxat-osti014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- AMR-003 - Northern Pacific Railroad Company diesel locomotives 6403D at Portland, Oregon in 1966.
- AMR-004 - Northern Pacific Railroad Company diesel locomotives 6403D at Portland, Oregon in 1966.
- AMR-019 - Northern Pacific Railroad Company diesel locomotive 6017D at Portland, Oregon in 1966.
- AMR-021 - Northern Pacific Railroad Company diesel locomotive 6511C at Portland, Oregon in 1966.
- AMR-022 - Northern Pacific Railroad Company diesel locomotive 6017D at Portland, Oregon in 1966.
- 24 more...