| 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 | |
| 5:10 | 1971 July 30 | Robert Volz | Henry Bragdon | Details |
| 5:11 | 1972 January 26 | Robert Volz | Henry Bragdon | Details |
| 5:11 | 1972 February 23 | Robert Volz | Henry Bragdon | Details |
| 5:11 | 1972 March 16 | Robert Volz | Henry Bragdon | Details |
| 5:11 | 1972 April 17 | Robert Volz | Henry Bragdon | Details |
| 5:12 | 1972 August 16 | Robert Volz | Henry Bragdon | Details |
| 5:12 | 1972 August 29 | Robert Volz | Henry Bragdon | Details |
| 5:13 | 1973 June 26 | Robert Volz | Henry Bragdon | Details |
| 5:15 | 1974 April 26 | Robert Volz | Henry Bragdon | Details |
| 5:15 | 1974 October 24 | Robert Volz | Harwood B. Dryer | Details |
