| July 1, 1957 | Addition to the Auditor's Code | L. Ron Hubbard writes HCOB 'Addition to the Auditor's Code'. | |
| January 18, 1958 | "The Reason the Auditor Is Having Trouble..." | L. Ron Hubbard writes HCOB '"The Reason the Auditor Is Having Trouble..."'. | |
| August 28, 1958 | Change Auditor's Code | L. Ron Hubbard writes HCOB 'Change Auditor's Code'. | |
| December 23, 1958 | Qualifications of HGC Staff Auditors | L. Ron Hubbard writes HCOPL 'Qualifications of HGC Staff Auditors'. | |
| February 19, 1959 | Auditor's Code #19 | L. Ron Hubbard writes HCOB 'Auditor's Code #19'. | |
| March 10, 1959 | Supplemental Data Sheet to HCOB of 16 February 1959 and Staff Auditors' Conference of 16 February 1959 | L. Ron Hubbard writes HCOB 'Supplemental Data Sheet to HCOB of 16 February 1959 and Staff Auditors' Conference of 16 February 1959'. | |
| April 30, 1959 | Additional Staff Auditors | L. Ron Hubbard writes HCOPL 'Additional Staff Auditors'. | |
| June 2, 1959 | Correction of HCOPL 23 Dec 58, Qualification of HGC Staff Auditors | L. Ron Hubbard writes HCOPL 'Correction of HCOPL 23 Dec 58, Qualification of HGC Staff Auditors'. | |
| August 19, 1959 | Writing of Letters by Staff Auditors | L. Ron Hubbard writes HCOPL 'Writing of Letters by Staff Auditors'. | |
| October 9, 1959 | Staff Auditors | L. Ron Hubbard writes HCOPL 'Staff Auditors'. | |
| March 13, 1961 | Staff Auditor Training | L. Ron Hubbard writes HCOPL 'Staff Auditor Training'. | |
| March 20, 1961 | Basic Staff Auditor's Hat | L. Ron Hubbard writes HCOPL 'Basic Staff Auditor's Hat'. | |
| April 2, 1961 | Staff Auditor Training, Sequence of Study | L. Ron Hubbard writes HCOPL 'Staff Auditor Training, Sequence of Study'. | |
| May 10, 1961 | Staff Auditors | L. Ron Hubbard writes HCOPL 'Staff Auditors'. | |
| May 26, 1961 | Basic Staff Auditor's Hat | L. Ron Hubbard writes HCOPL 'Basic Staff Auditor's Hat'. | |
| July 7, 1961 | Auditor Confessional List Confessional Form 3R | L. Ron Hubbard writes HCOPL 'Auditor Confessional List Confessional Form 3R'. | |
| October 6, 1961 | Training of Staff Auditors | L. Ron Hubbard writes HCOB 'Training of Staff Auditors'. | |
| November 29, 1961 | Classes of Auditors | L. Ron Hubbard writes HCOPL 'Classes of Auditors'. | |
| January 17, 1962 | Auditor Assignment | L. Ron Hubbard writes HCOPL 'Auditor Assignment'. | |
| March 8, 1962 | The Bad "Auditor" | L. Ron Hubbard writes HCOB 'The Bad "Auditor"'. | |
| May 21, 1962 | Training, Classes of Auditors | L. Ron Hubbard writes HCOPL 'Training, Classes of Auditors'. | |
| June 29, 1962 | Staff and Intern Auditors | L. Ron Hubbard writes HCOPL 'Staff and Intern Auditors'. | |
| February 1, 1963 | Routine 3, Urgent-Urgent-Urgent, All Class III and IV Auditors | L. Ron Hubbard writes HCOB "Routine 3, Urgent-Urgent-Urgent, All Class III and IV Auditors". | |
| March 23, 1963 | Classification of Auditors, Class II and Goals | L. Ron Hubbard writes HCOPL 'Classification of Auditors, Class II and Goals'. | |
| March 11, 1964 | Auditors Division, New HCO WW Organization | L. Ron Hubbard writes HCOPL 'Auditors Division, New HCO WW Organization'. | |
