Scientology Chronology - December 1966
| November 30, 1966 | Assessment for Service Facsimiles | |
| December 4, 1966 | Expansion, Theory of Policy | |
| December 7, 1966 | Magazines Permitted All Orgs | |
| December 12, 1966 | New Org Board Design (2) | |
| December 15, 1966 | Scientology Staff Letter | |
| December 15, 1966 | Financial Planning | |
| December 16, 1966 | Clearing Course Regulation | |
| December 18, 1966 | article on Scientology | |
| December 20, 1966 | Tech and Qual Pre-examinations | |
| December 21, 1966 | Advisory Council | |
| December 21, 1966 | Executive Council | |
| December 21, 1966 | Office of LRH Supplies | |
| December 23, 1966 | Saint Hill Income Peaks, Reinforcement of Auditor Promotion | |
| December 29, 1966 | Historical Precedence of Ethics | |
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