Railroad Archives Online
- E0485 - Great Northern Railway Historical Society Railroad Forms Collection
- Ro`yxat001 - Burlington Northern Railroad Company
- Ro`yxat-osti006 - Business Correspondence
- BNform10012-Envelope5x11.5 - Burlington Northern Form 1001, Envelope, undated
- BNform10016-Envelope6.5x9.5 - Burlington Northern Form 1001, Envelope, undated
- BNform12201-NotePad5.25x7 - Burlington Northern Form 12201, Notepad, undated