Scientology Chronology - December 1958
| December 1, 1958 | Dummy Auditing, Step Two: Acknowledgment | |
| December 1, 1958 | Materiel Administrator Hat | |
| December 1, 1958 | "The Enrollees of the 5th London ACC..." | |
| December 1, 1958 | Actions to Start an HCO | |
| December 6, 1958 | How to Run an Engram, Brief Summary for HGC Use | |
| December 7, 1958 | Training Drill Change | |
| December 9, 1958 | Staff List, Notification to Payroll | |
| December 13, 1958 | Important Information on Policy Letters | |
| December 15, 1958 | Dummy Auditing, Step Three: Duplication | |
| December 15, 1958 | Registrar Hat | |
| December 15, 1958 | Academy Training Curriculum and Examination | |
| December 16, 1958 | Director of Administration-Hat | |
| December 16, 1958 | Extension Course Curriculum | |
| December 17, 1958 | Duties of Sec'l ED | |
| December 17, 1958 | Auditing ARC Breaks on Registrar and Assistant Registrar | |
| December 17, 1958 | Basic Postulate of Overt Act Motivator Sequence | |
| December 20, 1958 | Certificates | |
| December 20, 1958 | Bad Clinical Results, Handling | |
| December 20, 1958 | HCO Communicator Basic Hat and Comm System, HCO Offices | |
| December 20, 1958 | Processing a New Mother | |
| December 22, 1958 | New HGC Process, A New Straightwire | |
| December 23, 1958 | Qualifications of HGC Staff Auditors | |
| December 23, 1958 | Quality of Presentations | |
| December 26, 1958 | Collection of Accounts | |
| December 26, 1958 | BScn/HCS Course | |
| December 27, 1958 | The First First Dynamic Process | |
| December 28, 1958 | Short-Sessioning | |
| December 31, 1958 | Routing of Profiles | |
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