Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 32 more...
- ItemWerkema092 - Northern Pacific 1382 on display in Helena, Montana in 2003.
- ItemWerkema093 - Northern Pacific 1382 on display in Helena, Montana in 2003.
- ItemWerkema094 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema095 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema096 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema097 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema098 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema099 - Northern Pacific 2152 on display in Auburn, Washington, in 1993.
- ItemWerkema100 - Northern Pacific 2152 at the Northern Pacific Railway Museum in Toppenish, Washington, in 2008.
- 11 more...