| Results | ||||
| Note: A ? indicates the information presented is a 'best guess'. The information on the original letter is unknown or illegible and may not be completely accurate. | ||||
| Box: Folder | Letter Date | Written By | Written To | |
| 1:20 | 1921 January 01? | Claude Fayette Bragdon | Harry Blackburn | Details |
| 1:20 | 1921 June 19 | Claude Fayette Bragdon | Harry Blackburn | Details |
| 1:20 | 1921 June 01? | Claude Fayette Bragdon | Harry Blackburn | Details |
| 1:20 | 1921 September 07 | Claude Fayette Bragdon | Harry Blackburn | Details |
