Railroad Archives Online
- FondoD0153 - Doug Wingfield Collection
- Serie001 - Burlington Northern Railroad Company
- Sottoserie014 - Photographs
- 003 - Railroads--Buildings and Structures
- 002 - Depots and Freighthouses
- Unità documentariaWingfield.119 - Great Northern Depot at Belton, Montana, 1970
- Unità documentariaWingfield.120 - Great Northern Depot at Belton, Montana, 1970
- Unità documentariaWingfield.121 - Great Northern Depot at Cut Bank, Montana, 1971
- Unità documentariaWingfield.122 - Great Northern Depot at Cut Bank, Montana, 1971
- Unità documentariaWingfield.123 - Great Northern Depot at Cut Bank, Montana, 1971
- 18 in più...