Railroad Archives Online
- CollectionE0437 - Jim Parker Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3003 - Freight Cars
- 21 more...
- Item48005 - Northern Pacific Freight Car Number 49028, Pasco, Washington, 1969
- Item48040 - Northern Pacific Freight Car Number 97656, Altoona, Pennsylvania, 1967
- Item48041 - Northern Pacific Freight Car Number 97667, Ambridge, Pennsylvania, October 1965
- Item48042 - Northern Pacific Freight Car Number 37423, Pasco, Washington, 1969
- Item48043 - Northern Pacific Freight Car Number 390000, Spokane, Washington, 1969
- Item48044 - Northern Pacific Freight Car Number 390004, Salamanca, New York, 1970
- Item48045 - Northern Pacific Freight Car Number 97767, Pasco, Washington, 1969
- Item48079 - Northern Pacific Freight Car Number 65119 and Northern Pacific Bus, Superior, Montana, 1968
- Item48080 - Northern Pacific Freight Car Number 119898, Cle Elum, Washington, 1967
- 8 more...