Scientology Chronology - May 1961
| April 30, 1961 | Change Brackets and Commands | |
| May 2, 1961 | Procedure on Setting Up Central Orgs or City Offices | |
| May 3, 1961 | Dining Room for Staff | |
| May 4, 1961 | Process Levels, Necessity for Training | |
| May 7, 1961 | E-Meter Talk and Demo | |
| May 10, 1961 | Staff Auditors | |
| May 11, 1961 | Assessment by Elimination, SOP Goals | |
| May 11, 1961 | E-Meter Horror | |
| May 11, 1961 | Student Training, Auditing Has Priority | |
| May 12, 1961 | Assessment | |
| May 13, 1961 | Assessing for SOP Goals Improved | |
| May 16, 1961 | HPA/HCA Requirement | |
| May 19, 1961 | E-Meter | |
| May 19, 1961 | Assessment Data | |
| May 22, 1961 | The Only Valid Security Check | |
| May 23, 1961 | Telex From Ron to D of P London | |
| May 23, 1961 | Prehav Scale Revised | |
| May 24, 1961 | Responsibility for Results | |
| May 24, 1961 | SOP Goals Assessments | |
| May 25, 1961 | Releasing and Preparing a Case for SOP Goals | |
| May 26, 1961 | On Auditing | |
| May 26, 1961 | Basic Staff Auditor's Hat | |
| May 26, 1961 | Modification of HPA/HCA, BScn/HCS Schedule | |
| May 26, 1961 | Quality Counts KSW Series 2 | |
| May 29, 1961 | Clarification of "Change Processing" | |
| May 29, 1961 | Quality and Admin in Central Orgs KSW Series 3 | |
| May 29, 1961 | Security of House | |
| May 30, 1961 | Current Office Work | |
| May 30, 1961 | How to Confess in HCO | |
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