Scientology Chronology - September 1957
| September 1, 1957 | The Big Auditing Problem | |
| September 2, 1957 | Executives | |
| September 2, 1957 | "When a Verbal Direction Is Given..." | |
| September 2, 1957 | Field Certificates | |
| September 3, 1957 | HPA/HCA Course Processes | |
| September 3, 1957 | Method of Opening and Invoicing Mail | |
| September 4, 1957 | Stable Data for Instructors | |
| September 5, 1957 | All Preclears Are Expected To... | |
| September 5, 1957 | Validation of Staff | |
| September 5, 1957 | Testing | |
| September 9, 1957 | Processes to Be Run on HGC Preclears from This Date | |
| September 15, 1957 | Control Trio | |
| September 16, 1957 | HGC Policy, Results or Else | |
| September 20, 1957 | An FBI, Hubbard's, convention, 300 people. Hubbard | |
| September 24, 1957 | Curriculum of CCH Class | |
| September 25, 1957 | An FBI | |
| September 26, 1957 | Filling Posts | |
| September 27, 1957 | It Has Come to My Attention... | |
| October 1, 1957 | Rudiments and Goals | |
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