| October 31, 1958 | Engrams | |
| October 31, 1958 | Only 75 Copies... | |
| October 31, 1958 | Question and Answer Period | |
| November 1, 1958 | Communication Course | |
| November 3, 1958 | Question and Answer Period | |
| November 3, 1958 | The Detection of Engrams | |
| November 3, 1958 | American College of Personnel Efficiency, Dublin | |
| November 4, 1958 | The Detection of Engrams with an E-Meter | |
| November 5, 1958 | Question and Answer Period | |
| November 5, 1958 | The Detection of Engrams Lecture 3 | |
| November 6, 1958 | Difficulties Encountered in Search for Engrams | |
| November 6, 1958 | The Three-Basket System | |
| November 7, 1958 | Detection of Circuits and Machinery | |
| November 7, 1958 | Question and Answer Period | |
| November 7, 1958 | Registrar | |
| November 7, 1958 | The Output of Special Letters... | |
| November 7, 1958 | HPA Courses for Staff | |
| November 10, 1958 | Auditing: Its Skills | |
| November 10, 1958 | Question and Answer Period | |
| November 11, 1958 | Question and Answer Period | |
| November 11, 1958 | The Skill of an Auditor-Part I | |
| November 11, 1958 | ACC Schedule | |
| November 12, 1958 | Question and Answer Period | |
| November 12, 1958 | The Skill of an Auditor-Part II | |
| November 13, 1958 | Question and Answer Period | |
| November 13, 1958 | The Attitude of an Auditor | |
| November 13, 1958 | TR 9(b) and TR 9(c) | |
| November 14, 1958 | Question and Answer Period | |
| November 14, 1958 | What an Auditor Is Supposed to Do with an Engram | |
| November 15, 1958 | How to Procure People | |
| November 15, 1958 | Informing Public of Test Results | |
| November 15, 1958 | Legal Aid-HCO | |
| November 15, 1958 | Outstanding Copyrights and Marks | |
| November 15, 1958 | The Substance and First Duty of HCO | |
| November 17, 1958 | Free Clear Estimates, Free Clear Tests | |
| November 17, 1958 | How to Audit an Engram; Use of an E-Meter | |
| November 17, 1958 | Question and Answer Period | |
| November 17, 1958 | Question and Answer Period | |
| November 17, 1958 | The Effect of the Environment on an Engram | |
| November 17, 1958 | Clear Bracelets | |
| November 17, 1958 | HCO Project Engineer: "Have You Lived Before?" | |
| November 17, 1958 | Project Engineering | |
| November 17, 1958 | Project Engineers, Three Types | |
| November 19, 1958 | Attitude and Approach to Auditing | |
| November 19, 1958 | How to Start and Run a Session | |
| November 19, 1958 | Organization | |
| November 22, 1958 | Owner of Materials, the Legal View | |
| November 23, 1958 | Scientometric Testing | |
| November 24, 1958 | HASI Group Secretary | |
| November 24, 1958 | Magazine Policy | |
| November 25, 1958 | Techniques to Be Used on HGC Preclears | |
| November 25, 1958 | HCO Board of Review, Function and Practice | |
| November 25, 1958 | Step 6 | |
| November 26, 1958 | ACCs | |
| November 27, 1958 | Basic Financial Policy, HCO | |
| November 28, 1958 | Final Lecture | |
| November 28, 1958 | The Plan of Clearing | |
| December 1, 1958 | Dummy Auditing, Step Two: Acknowledgment | |
| December 1, 1958 | Materiel Administrator Hat | |