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The site has been revamped and now the codebase of this page allows you to listen to audio files without downloading the audio file iteself.

What I have also done is coded the page to allow entire folders to be downloaded. The download link is to the right of folders inside each folder on the front page.

KEY: sc=physically scanned by me, HQ=High Quality

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Folder ..   
630504 — HCO Bulletin — Cross Auditing [U5408-021].pdf 630504 — HCO Bulletin — Cross Auditing [U5408-021].pdf 56KB Dec 20 2025 06:45:36 AM
650823 — HCO Bulletin — Abbreviations and Symbols of Dianetics and Scientology [U5408-005].pdf 650823 — HCO Bulletin — Abbreviations and Symbols of Dianetics and Scientology [U5408-005].pdf 476KB Dec 20 2025 06:45:35 AM
651028 — Handwritten — Incident 1 [U5408-011].pdf 651028 — Handwritten — Incident 1 [U5408-011].pdf 81KB Dec 20 2025 06:45:38 AM
680420 — Handwritten — Important Note Section 3 [U5408-033].pdf 680420 — Handwritten — Important Note Section 3 [U5408-033].pdf 99KB Dec 20 2025 06:45:39 AM
680504 Issue 2 — HCO Bulletin — Overrun on III [U5408-023].pdf 680504 Issue 2 — HCO Bulletin — Overrun on III [U5408-023].pdf 72KB Dec 20 2025 06:45:39 AM
680504 — HCO Bulletin — Character of Body Thetans [U5408-009].pdf 680504 — HCO Bulletin — Character of Body Thetans [U5408-009].pdf 116KB Dec 20 2025 06:45:40 AM
680504 — HCO Bulletin — Character of Body Thetans [U5408-048].pdf 680504 — HCO Bulletin — Character of Body Thetans [U5408-048].pdf 83KB Dec 20 2025 06:45:40 AM
680504 — HCO Bulletin — Character of Body Thetans [U5408-050].pdf 680504 — HCO Bulletin — Character of Body Thetans [U5408-050].pdf 285KB Dec 20 2025 06:45:35 AM
680504 — HCO Bulletin — Dianetic Courses - Stuck Pictures [U5408-017].pdf 680504 — HCO Bulletin — Dianetic Courses - Stuck Pictures [U5408-017].pdf 104KB Dec 20 2025 06:45:35 AM
680520 — HCO Bulletin — Overt-Motivator Sequence [U5408-020].pdf 680520 — HCO Bulletin — Overt-Motivator Sequence [U5408-020].pdf 137KB Dec 20 2025 06:45:39 AM
681002 — HCO Bulletin — OT3 [U5408-022].pdf 681002 — HCO Bulletin — OT3 [U5408-022].pdf 74KB Dec 20 2025 06:45:38 AM
681028 — Handwritten — Incident 2 [U5408-010].pdf 681028 — Handwritten — Incident 2 [U5408-010].pdf 484KB Dec 20 2025 06:45:39 AM
681028 — HCO Bulletin — 3rd Note - Running Incident 2 [U5408-019].pdf 681028 — HCO Bulletin — 3rd Note - Running Incident 2 [U5408-019].pdf 150KB Dec 20 2025 06:45:38 AM
690826 Issue 2 — HCO Bulletin — Add OT3 CS [U5408-024].pdf 690826 Issue 2 — HCO Bulletin — Add OT3 CS [U5408-024].pdf 63KB Dec 20 2025 06:45:38 AM
690826 — HCO Bulletin — OT3 Case Supervision [U5408-029].pdf 690826 — HCO Bulletin — OT3 Case Supervision [U5408-029].pdf 429KB Dec 20 2025 06:45:36 AM
690918 — HCO Bulletin — Dianetic Auditing and OT3 [U5408-031].pdf 690918 — HCO Bulletin — Dianetic Auditing and OT3 [U5408-031].pdf 357KB Dec 20 2025 06:45:37 AM
691013 Issue 2 — HCO Bulletin — OT3 Errors [U5408-026].pdf 691013 Issue 2 — HCO Bulletin — OT3 Errors [U5408-026].pdf 61KB Dec 20 2025 06:45:38 AM
691025R — HCO Bulletin — Cluster Formation [U5408-028].pdf 691025R — HCO Bulletin — Cluster Formation [U5408-028].pdf 258KB Dec 20 2025 06:45:35 AM
700102 — HCO Bulletin — Auditing by R3R [U5408-042].pdf 700102 — HCO Bulletin — Auditing by R3R [U5408-042].pdf 43KB Dec 20 2025 06:45:35 AM
700103 Issue 2 — HCO Bulletin — Solo & R3R [U5408-043].pdf 700103 Issue 2 — HCO Bulletin — Solo & R3R [U5408-043].pdf 54KB Dec 20 2025 06:45:35 AM
700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-008].pdf 700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-008].pdf 76KB Dec 20 2025 06:45:36 AM
700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-047].pdf 700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-047].pdf 54KB Dec 20 2025 06:45:36 AM
700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-049].pdf 700205 Issue 2 — HCO Bulletin — Definitions, Section 3 [U5408-049].pdf 148KB Dec 20 2025 06:45:36 AM
700205 — HCO Bulletin — Basic on BTs, The [U5408-012].pdf 700205 — HCO Bulletin — Basic on BTs, The [U5408-012].pdf 88KB Dec 20 2025 06:45:34 AM
700412 — HCO Bulletin — Running OT3 [U5408-025].pdf 700412 — HCO Bulletin — Running OT3 [U5408-025].pdf 68KB Dec 20 2025 06:45:40 AM
700417 — HCO Bulletin — Cancellation of Issues [U5408-041].pdf 700417 — HCO Bulletin — Cancellation of Issues [U5408-041].pdf 53KB Dec 20 2025 06:45:36 AM
700608 Issue 2 — HCO Bulletin — Secret [U5408-032].pdf 700608 Issue 2 — HCO Bulletin — Secret [U5408-032].pdf 143KB Dec 20 2025 06:45:39 AM
701020 — HCO Bulletin — EPs [U5408-034].pdf 701020 — HCO Bulletin — EPs [U5408-034].pdf 48KB Dec 20 2025 06:45:36 AM
710709 — HCO Bulletin — Section 3 Running [U5408-018].pdf 710709 — HCO Bulletin — Section 3 Running [U5408-018].pdf 98KB Dec 20 2025 06:45:38 AM
710914 — HCO Bulletin — Ruds Going Out on BTs [U5408-030].pdf 710914 — HCO Bulletin — Ruds Going Out on BTs [U5408-030].pdf 226KB Dec 20 2025 06:45:38 AM
720906 Issue 5 — HCO Policy Letter — OT3 Course - Confidential - Checksheet [U5408-001].pdf 720906 Issue 5 — HCO Policy Letter — OT3 Course - Confidential - Checksheet [U5408-001].pdf 224KB Dec 20 2025 06:45:39 AM
761210 — HCO Bulletin — Addition to the OT3 Pack [U5408-027].pdf 761210 — HCO Bulletin — Addition to the OT3 Pack [U5408-027].pdf 81KB Dec 20 2025 06:45:36 AM
780914 — HCO Bulletin — Dianetics Forbidden on Clears and OTs [U5408-013].pdf 780914 — HCO Bulletin — Dianetics Forbidden on Clears and OTs [U5408-013].pdf 193KB Dec 20 2025 06:45:38 AM
781102R — HCO Bulletin — Dianetics Deleted from OT3 Materials [U5408-014].pdf 781102R — HCO Bulletin — Dianetics Deleted from OT3 Materials [U5408-014].pdf 121KB Dec 20 2025 06:45:39 AM
790704 — HCO Bulletin — Handling Correction Lists on OTs [U5408-035].pdf 790704 — HCO Bulletin — Handling Correction Lists on OTs [U5408-035].pdf 118KB Dec 20 2025 06:45:35 AM
791223 — HCO Bulletin — Flying Ruds at OT3 and Above [U5408-036].pdf 791223 — HCO Bulletin — Flying Ruds at OT3 and Above [U5408-036].pdf 358KB Dec 20 2025 06:45:35 AM
800111 Issue 2 — HCO Bulletin — Qual Corrective Actions on OTs [U5408-044].pdf 800111 Issue 2 — HCO Bulletin — Qual Corrective Actions on OTs [U5408-044].pdf 355KB Dec 20 2025 06:45:37 AM
800120 — HCO Bulletin — Erratum - HCOB 22 December 1979 - Flying Ruds at OT3 and Above [U5408-037].pdf 800120 — HCO Bulletin — Erratum - HCOB 22 December 1979 - Flying Ruds at OT3 and Above [U5408-037].pdf 56KB Dec 20 2025 06:45:35 AM
810108 — HCO Bulletin — Advance Course Regulations and Security [U5408-006].pdf 810108 — HCO Bulletin — Advance Course Regulations and Security [U5408-006].pdf 265KB Dec 20 2025 06:45:36 AM
XXXXXX — Handwritten — Data… Handwritten Issue [U5408-007].pdf XXXXXX — Handwritten — Data… Handwritten Issue [U5408-007].pdf 313KB Dec 20 2025 06:45:40 AM
XXXXXX — Handwritten — Instructions (Revised 12 August 1969) [U5408-015].pdf XXXXXX — Handwritten — Instructions (Revised 12 August 1969) [U5408-015].pdf 365KB Dec 20 2025 06:45:34 AM
XXXXXX — Handwritten — OT Section III Lists of Volcanoes [U5408-038].pdf XXXXXX — Handwritten — OT Section III Lists of Volcanoes [U5408-038].pdf 108KB Dec 20 2025 06:45:35 AM
XXXXXX — HCO Bulletin — Reason for Difficulties on OT3 [U5408-045].pdf XXXXXX — HCO Bulletin — Reason for Difficulties on OT3 [U5408-045].pdf 39KB Dec 20 2025 06:45:39 AM
XXXXXX — HCO Bulletin — Section III OT - Additional Sheet - Notes on Running [U5408-016].pdf XXXXXX — HCO Bulletin — Section III OT - Additional Sheet - Notes on Running [U5408-016].pdf 422KB Dec 20 2025 06:45:40 AM
XXXXXX — HCO Bulletin — Title Unknown (75,000,000 Years…) [U5408-039].pdf XXXXXX — HCO Bulletin — Title Unknown (75,000,000 Years…) [U5408-039].pdf 129KB Dec 20 2025 06:45:39 AM
XXXXXX — HCO Bulletin — Title Unknown (Occurs…) [U5408-040].pdf XXXXXX — HCO Bulletin — Title Unknown (Occurs…) [U5408-040].pdf 128KB Dec 20 2025 06:45:35 AM
XXXXXX — Misc Issue — OT III [U5408-002].pdf XXXXXX — Misc Issue — OT III [U5408-002].pdf 19KB Dec 20 2025 06:45:38 AM
XXXXXX — Misc Issue — Section AS 3 [U5408-004].pdf XXXXXX — Misc Issue — Section AS 3 [U5408-004].pdf 1109KB Dec 20 2025 06:45:38 AM
XXXXXX — Misc Issue — States Attained [U5408-003].pdf XXXXXX — Misc Issue — States Attained [U5408-003].pdf 27KB Dec 20 2025 06:45:38 AM
XXXXXX — Unknown — OT3 Reference - Symptoms [U5408-046].pdf XXXXXX — Unknown — OT3 Reference - Symptoms [U5408-046].pdf 247KB Dec 20 2025 06:45:37 AM
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