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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

Email = info@lrhmaterials.com
Backup email in case you don't get a response within 2 days - cas@matrixfiles.com

Folder ..   
611102 — HCO Bulletin — Prior Confusion, The [U5436-011].pdf 611102 — HCO Bulletin — Prior Confusion, The [U5436-011].pdf 270KB Dec 20 2025 06:45:32 AM
620702 — HCO Bulletin — Repetitive Rudiments - How to Get the Rudiments In [U5436-012].pdf 620702 — HCO Bulletin — Repetitive Rudiments - How to Get the Rudiments In [U5436-012].pdf 312KB Dec 20 2025 06:45:31 AM
620704 — HCO Bulletin — Bulletin Changes (Changes in Model Session...) [U5436-013].pdf 620704 — HCO Bulletin — Bulletin Changes (Changes in Model Session...) [U5436-013].pdf 224KB Dec 20 2025 06:45:31 AM
640121 — HCO Bulletin — Meter Level Warning - How to Kill a PC in Level V [U5436-021].pdf 640121 — HCO Bulletin — Meter Level Warning - How to Kill a PC in Level V [U5436-021].pdf 64KB Dec 20 2025 06:45:29 AM
641226 — HCO Bulletin — Scientology 0 [U5436-010].pdf 641226 — HCO Bulletin — Scientology 0 [U5436-010].pdf 149KB Dec 20 2025 06:45:32 AM
650721 — HCO Bulletin — Release Rehabilitation [U5436-019].pdf 650721 — HCO Bulletin — Release Rehabilitation [U5436-019].pdf 82KB Dec 20 2025 06:45:33 AM
650922 — HCO Bulletin — Release Gradation - New Levels of Release [U5436-017].pdf 650922 — HCO Bulletin — Release Gradation - New Levels of Release [U5436-017].pdf 336KB Dec 20 2025 06:45:29 AM
650927 — HCO Bulletin — Release Gradation - Additional Data [U5436-018].pdf 650927 — HCO Bulletin — Release Gradation - Additional Data [U5436-018].pdf 420KB Dec 20 2025 06:45:32 AM
660119 — HCO Bulletin — Danger Conditions - Technical Data for Review Auditors [U5436-015].pdf 660119 — HCO Bulletin — Danger Conditions - Technical Data for Review Auditors [U5436-015].pdf 109KB Dec 20 2025 06:45:32 AM
660403 — HCO Bulletin — Dianetic Auditing Course [U5436-006].pdf 660403 — HCO Bulletin — Dianetic Auditing Course [U5436-006].pdf 1026KB Dec 20 2025 06:45:31 AM
660920 — HCO Bulletin — Minus Scale Releases - ARC Straightwire - Dianetic [U5436-007].pdf 660920 — HCO Bulletin — Minus Scale Releases - ARC Straightwire - Dianetic [U5436-007].pdf 104KB Dec 20 2025 06:45:31 AM
660921 — HCO Bulletin — ARC Break Needle [U5436-050].pdf 660921 — HCO Bulletin — ARC Break Needle [U5436-050].pdf 32KB Dec 20 2025 06:45:29 AM
680504 — HCO Bulletin — Dianetic Courses - Stuck Pictures [U5436-008].pdf 680504 — HCO Bulletin — Dianetic Courses - Stuck Pictures [U5436-008].pdf 87KB Dec 20 2025 06:45:31 AM
680823 — HCO Bulletin — Arbitraries [U5436-025].pdf 680823 — HCO Bulletin — Arbitraries [U5436-025].pdf 55KB Dec 20 2025 06:45:29 AM
680823 — HCO Bulletin — Workability of Tech [U5436-024].pdf 680823 — HCO Bulletin — Workability of Tech [U5436-024].pdf 76KB Dec 20 2025 06:45:31 AM
680826 — HCO Bulletin — Rehab and Correction [U5436-022].pdf 680826 — HCO Bulletin — Rehab and Correction [U5436-022].pdf 97KB Dec 20 2025 06:45:29 AM
680901 — HCO Bulletin — Points on Case Supervision [U5436-042].pdf 680901 — HCO Bulletin — Points on Case Supervision [U5436-042].pdf 60KB Dec 20 2025 06:45:29 AM
680904 — HCO Bulletin — No Title [U5436-026].pdf 680904 — HCO Bulletin — No Title [U5436-026].pdf 47KB Dec 20 2025 06:45:31 AM
680906 — HCO Bulletin — Checking for False Reads [U5436-027].pdf 680906 — HCO Bulletin — Checking for False Reads [U5436-027].pdf 36KB Dec 20 2025 06:45:33 AM
680910 — HCO Bulletin — ''Standard'' Tech Data [U5436-028].pdf 680910 — HCO Bulletin — ''Standard'' Tech Data [U5436-028].pdf 136KB Dec 20 2025 06:45:29 AM
680910 — HCO Bulletin — Case Supervisor - Admin in Auditing [U5436-043].pdf 680910 — HCO Bulletin — Case Supervisor - Admin in Auditing [U5436-043].pdf 59KB Dec 20 2025 06:45:28 AM
680910 — HCO Bulletin — Flunks [U5436-030].pdf 680910 — HCO Bulletin — Flunks [U5436-030].pdf 57KB Dec 20 2025 06:45:30 AM
680910 — HCO Bulletin — Green Form, S & D, Remedy B [U5436-029].pdf 680910 — HCO Bulletin — Green Form, S & D, Remedy B [U5436-029].pdf 57KB Dec 20 2025 06:45:29 AM
680911 — HCO Bulletin — Case Supervision Data [U5436-044].pdf 680911 — HCO Bulletin — Case Supervision Data [U5436-044].pdf 39KB Dec 20 2025 06:45:30 AM
680911 — HCO Bulletin — False Reads [U5436-031].pdf 680911 — HCO Bulletin — False Reads [U5436-031].pdf 43KB Dec 20 2025 06:45:29 AM
680915 — HCO Bulletin — No Title [U5436-032].pdf 680915 — HCO Bulletin — No Title [U5436-032].pdf 39KB Dec 20 2025 06:45:30 AM
680915 — HCO Bulletin — No Title [U5436-033].pdf 680915 — HCO Bulletin — No Title [U5436-033].pdf 30KB Dec 20 2025 06:45:31 AM
680917 — HCO Bulletin — Ethnics [U5436-046].pdf 680917 — HCO Bulletin — Ethnics [U5436-046].pdf 56KB Dec 20 2025 06:45:32 AM
680917 — HCO Bulletin — Gross Case Supervision Errors [U5436-045].pdf 680917 — HCO Bulletin — Gross Case Supervision Errors [U5436-045].pdf 95KB Dec 20 2025 06:45:29 AM
680917R — HCO Bulletin — Class VIII - Six Zones of Action [U5436-047].pdf 680917R — HCO Bulletin — Class VIII - Six Zones of Action [U5436-047].pdf 78KB Dec 20 2025 06:45:29 AM
680919 — HCO Bulletin — 'Old lists are not to be copied...' [U5436-034].pdf 680919 — HCO Bulletin — 'Old lists are not to be copied...' [U5436-034].pdf 37KB Dec 20 2025 06:45:28 AM
680920 — HCO Bulletin — Glee [U5436-036].pdf 680920 — HCO Bulletin — Glee [U5436-036].pdf 58KB Dec 20 2025 06:45:31 AM
680920 — HCO Bulletin — Review, Ordering People To [U5436-035].pdf 680920 — HCO Bulletin — Review, Ordering People To [U5436-035].pdf 35KB Dec 20 2025 06:45:29 AM
680922 — HCO Bulletin — Auditors Must Put the PCs Grade or OT Level on the Auditing Report [U5436-037].pdf 680922 — HCO Bulletin — Auditors Must Put the PCs Grade or OT Level on the Auditing Report [U5436-037].pdf 35KB Dec 20 2025 06:45:28 AM
680923 — HCO Bulletin — Violation of the Laws of Listing and Nulling [U5436-016].pdf 680923 — HCO Bulletin — Violation of the Laws of Listing and Nulling [U5436-016].pdf 76KB Dec 20 2025 06:45:29 AM
680926 — HCO Bulletin — Study of the ''Well-Done'' LRH CS Folder [U5436-038].pdf 680926 — HCO Bulletin — Study of the ''Well-Done'' LRH CS Folder [U5436-038].pdf 39KB Dec 20 2025 06:45:29 AM
681014 — HCO Bulletin — Definition of Recall [U5436-009].pdf 681014 — HCO Bulletin — Definition of Recall [U5436-009].pdf 43KB Dec 20 2025 06:45:33 AM
681020 — HCO Bulletin — Purpose of Class VIII, The [U5436-002].pdf 681020 — HCO Bulletin — Purpose of Class VIII, The [U5436-002].pdf 128KB Dec 20 2025 06:45:30 AM
681022R — HCO Bulletin — Teaching the Class VIII [U5436-004].pdf 681022R — HCO Bulletin — Teaching the Class VIII [U5436-004].pdf 88KB Dec 20 2025 06:45:28 AM
681101 Issue 2 — HCO Bulletin — Overt-Motivator - Definitions [U5436-040].pdf 681101 Issue 2 — HCO Bulletin — Overt-Motivator - Definitions [U5436-040].pdf 92KB Dec 20 2025 06:45:28 AM
681205 — HCO Bulletin — Unresolving Cases [U5436-041].pdf 681205 — HCO Bulletin — Unresolving Cases [U5436-041].pdf 87KB Dec 20 2025 06:45:31 AM
681212 — HCO Bulletin — Invalidation and the Good Auditor [U5436-023].pdf 681212 — HCO Bulletin — Invalidation and the Good Auditor [U5436-023].pdf 128KB Dec 20 2025 06:45:31 AM
700630RA — HCO Bulletin — VIII Actions [U5436-039].pdf 700630RA — HCO Bulletin — VIII Actions [U5436-039].pdf 387KB Dec 20 2025 06:45:33 AM
701006 — HCO Bulletin — Folder Error Summaries [U5436-048].pdf 701006 — HCO Bulletin — Folder Error Summaries [U5436-048].pdf 193KB Dec 20 2025 06:45:30 AM
710908-3 — HCO Bulletin — Amendments and Additions to Class VIII CS HCOB of 8 September, 1971R [U5436-049].pdf 710908-3 — HCO Bulletin — Amendments and Additions to Class VIII CS HCOB of 8 September, 1971R [U5436-049].pdf 158KB Dec 20 2025 06:45:32 AM
741210 — Board Technical Bulletin — Release Rehabilitation [U5436-020].pdf 741210 — Board Technical Bulletin — Release Rehabilitation [U5436-020].pdf 103KB Dec 20 2025 06:45:33 AM
750123 — HCO Bulletin — Purpose of Class VIII, The [U5436-003].pdf 750123 — HCO Bulletin — Purpose of Class VIII, The [U5436-003].pdf 124KB Dec 20 2025 06:45:33 AM
770122 — HCO Bulletin — In Tech, the Only Way to Achieve It [U5436-005].pdf 770122 — HCO Bulletin — In Tech, the Only Way to Achieve It [U5436-005].pdf 47KB Dec 20 2025 06:45:29 AM
770417 — HCO Bulletin — Recurring Withholds and Overts [U5436-014].pdf 770417 — HCO Bulletin — Recurring Withholds and Overts [U5436-014].pdf 234KB Dec 20 2025 06:45:28 AM
800203 — HCO Policy Letter — Class VIII Course (Non-Confidential) - Checksheet [U5436-001].pdf 800203 — HCO Policy Letter — Class VIII Course (Non-Confidential) - Checksheet [U5436-001].pdf 799KB Dec 20 2025 06:45:33 AM
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