Railroad Archives Online
- FondsD0288 - Terence Wahl Collection
- Série010 - Other Railroads
- Sous-série014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 004 - Railroad Passenger Cars
- PièceTRWahl0962 - Canadian Pacific Passenger Car, Bellingham, Washington, undated
- PièceTRWahl0190 - Circus Passenger Car, Bellingham, Washington, undated
- PièceTRWahl0224 - Railway Express Agency Passenger Car 7224, Bellingham, Washington, undated
- PièceTRWahl0225 - Railway Express Agency Passenger Car 7224, Bellingham, Washington, undated