| April 8, 1957 | Group Auditing | L. Ron Hubbard writes HCOB 'Group Auditing'. | |
| June 3, 1957 | Auditing a Ten-Year-Old Child | L. Ron Hubbard writes HCOB 'Auditing a Ten-Year-Old Child'. | |
| June 13, 1957 | Student Intensives and Co-auditing Processes | L. Ron Hubbard writes HCOB 'Student Intensives and Co-auditing Processes'. | |
| April 8, 1958 | Auditing the PC on Clear Procedure | L. Ron Hubbard writes HCOB 'Auditing the PC on Clear Procedure'. | |
| December 17, 1958 | Auditing ARC Breaks on Registrar and Assistant Registrar | L. Ron Hubbard writes HCOB 'Auditing ARC Breaks on Registrar and Assistant Registrar'. | |
| March 13, 1959 | Muzzled Auditing | L. Ron Hubbard writes HCOB 'Muzzled Auditing'. | |
| July 7, 1959 | Staff Auditing Requirement | L. Ron Hubbard writes HCOPL 'Staff Auditing Requirement'. | |
| November 12, 1959 | Acknowledgments in Auditing | L. Ron Hubbard writes HCOB 'Acknowledgments in Auditing'. | |
| May 11, 1961 | Student Training, Auditing Has Priority | L. Ron Hubbard writes HCOPL 'Student Training, Auditing Has Priority'. | |
| October 26, 1961 | Safe Auditing Table | L. Ron Hubbard writes HCOB 'Safe Auditing Table'. | |
| April 5, 1962 | CCHs, Auditing Attitude | L. Ron Hubbard writes HCOB 'CCHs, Auditing Attitude'. | |
| May 3, 1962 | Practical Auditing Skills | L. Ron Hubbard writes HCOPL 'Practical Auditing Skills'. | |
| May 24, 1962 | Training, Session Cancellation, Auditing Section | L. Ron Hubbard writes HCOPL 'Training, Session Cancellation, Auditing Section'. | |
| June 1, 1962 | Auditing, Rudiments Check Sheet | L. Ron Hubbard writes HCOPL 'Auditing, Rudiments Check Sheet'. | |
| June 21, 1962 | Staff Members Auditing Private Pcs | L. Ron Hubbard writes HCOPL 'Staff Members Auditing Private Pcs'. | |
| July 14, 1962 | Auditing Allowed | L. Ron Hubbard writes HCOPL 'Auditing Allowed'. | |
| October 16, 1962 | Auditing Hours Limited | L. Ron Hubbard writes HCOPL 'Auditing Hours Limited'. | |
| October 17, 1962 | Auditor Failure to Understand Basic Auditing Series 6 | L. Ron Hubbard writes HCOB 'Auditor Failure to Understand Basic Auditing Series 6'. | |
| January 1, 1963 | Academy Curriculum, How to Teach Auditing and Routine 2 | L. Ron Hubbard writes HCOB 'Academy Curriculum, How to Teach Auditing and Routine 2'. | |
| February 11, 1963 | Current Auditing | L. Ron Hubbard writes HCOB 'Current Auditing'. | |
| February 11, 1963 | Auditing Regulations | L. Ron Hubbard writes HCOPL 'Auditing Regulations'. | |
| July 23, 1963 | Auditing Rundown, Missed Withholds, To Be Run in X1 Unit | L. Ron Hubbard writes HCOB 'Auditing Rundown, Missed Withholds, To Be Run in X1 Unit'. | |
| September 6, 1963 | Instructing in Scientology Auditing, Instructor's Task, D of P's Case Handling | L. Ron Hubbard writes HCOB 'Instructing in Scientology Auditing, Instructor's Task, D of P's Case Handling'. | |
| October 8, 1963 | How to Get TA, Analyzing Auditing | L. Ron Hubbard writes HCOB 'How to Get TA, Analyzing Auditing'. | |
| November 26, 1963 | A New Triangle, Basic Auditing, Technique, Case Analysis | L. Ron Hubbard writes HCOB 'A New Triangle, Basic Auditing, Technique, Case Analysis'. | |
