Scientology Chronology - April 1967
| March 31, 1967 | Basic Study Missed Withhold | |
| April 1, 1967 | CCHs 8-10 | |
| April 1, 1967 | The Safe Point | |
| April 2, 1967 | "Upside Down" Graphs | |
| April 2, 1967 | Additional Objective Processes for TRs and Objectives Co-audit | |
| April 4, 1967 | Course Schedules | |
| April 4, 1967 | Model Session for Objectives Co-audits | |
| April 7, 1967 | Goodwill | |
| April 7, 1967 | Out-Ethics Indicators | |
| April 8, 1967 | The "Bring Back to Life" Assist | |
| April 9, 1967 | Objectives Correction List | |
| April 10, 1967 | Objectives Correction List Word List | |
| April 10, 1967 | R3RA Service Facsimile Handling Action Eleven | |
| April 11, 1967 | Sec Checking Implants | |
| April 11, 1967 | Section III OT Prerequisite | |
| April 12, 1967 | Clay Table, Definition of Terms | |
| April 13, 1967 | Still Needle and Confessionals | |
| April 15, 1967 | The Counting of Gross Income | |
| April 16, 1967 | More on PTS Handling | |
| April 19, 1967 | A Key Cramming Question | |
| April 20, 1967 | Cramming and Basics | |
| April 21, 1967 | Auditor Coordination Drills | |
| April 22, 1967 | What a Cramming Officer Has to Know | |
| April 23, 1967 | The Tools of a Cramming Officer | |
| April 24, 1967 | Modification of the Primary Rundown | |
| April 25, 1967 | Between Session Notes from Pcs | |
| April 26, 1967 | Handling Undeclared States of Release | |
| April 26, 1967 | The Criminal Mind and the Psychs | |
| April 27, 1967 | Discovery on PDH (Pain-Drug-Hypnosis) | |
| April 27, 1967 | PDH Confessional | |
| April 27, 1967 | Prepared List for Still Needles | |
| April 28, 1967 | Barley Formula for Babies | |
| April 28, 1967 | The Rights of the Field Auditor | |
| April 29, 1967 | Data About Fragrances | |
| April 29, 1967 | Field Auditor Fees | |
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