Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroad Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 398 more...
- ItemJMF04-03218.0 - Northern Pacific station at Manitoba Junction, Minnesota, circa 1955.
- ItemJMF04-03219.0 - Northern Pacific station at Casselton, North Dakota, circa 1910.
- ItemJMF04-03220.0 - Northern Pacific station at Almont, North Dakota, circa 1915.
- ItemJMF04-03220.1 - Northern Pacific station at Mandan, North Dakota, circa 1935.
- ItemJMF04-03228.0 - Northern Pacific station at North Bemidji, Minnesota, in 1954.