Railroad Archives Online
- FondiD0288 - Terence Wahl Collection
- Serija002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Podserija014 - Photographs
- 004 - Railroad tracks
- 001 - Railroad mainline
- DokumentTRWahl0074 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0075 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0108 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0305 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0306 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0600 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0983 - Milwaukee Road Track, Bellingham, Washington, undated
- DokumentTRWahl0984 - Milwaukee Road Track, Bellingham, Washington, undated