Scientology Chronology - September 1951
| September 3, 1951 | Departure in Dianetics | |
| September 4, 1951 | Illusion | |
| September 4, 1951 | Time and Motion | |
| September 10, 1951 | Arithmetic | |
| September 10, 1951 | Mimicry | |
| September 10, 1951 | Theta Facsimiles | |
| September 17, 1951 | Some Notes on Black Dianetics | |
| September 17, 1951 | The Cellular Postulate | |
| September 20, 1951 | Auditing and Nutrition | |
| September 20, 1951 | Randomity and Effort | |
| September 20, 1951 | Self-Determined Effort Processing | |
| September 20, 1951 | Tactile Communication | |
| September 24, 1951 | Effort Processing Fundamentals-Part I | |
| September 24, 1951 | Effort Processing Fundamentals-Part II | |
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