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This page provides access to indexes of all source materials organized by document type.

Technical Bulletins

• HCOB (Hubbard Communications Office Bulletins) (3,173 documents)
• HCO Bulletin Attachment (86 documents)
• HCO Bulletin (From Ability) (11 documents)

Policy Letters

• HCO Policy Letter (4,528 documents)
• Board Policy Letter (659 documents)
• HCO Policy Letter Attachment (146 documents)
• HCO Policy Letter (excerpt) (57 documents)
• Board Policy Letter Attachment (48 documents)
• Founding Church Policy Letter (45 documents)
• Scientology Policy Directive (39 documents)
• HASI Policy Letter (38 documents)
• HCO Policy Letter (From Ability) (10 documents)
• HCO WW Policy Letter (5 documents)

Executive Directives

• LRH Executive Directive (523 documents)
• Sea Organization Executive Directive (520 documents)
• Executive Directive (214 documents)
• Secretarial Executive Directive (95 documents)
• Sea Organization Executive Directive Attachment (41 documents)
• Freedom (36 documents)
• IMEC Executive Directive (25 documents)
• LRH Executive Directive Attachment (18 documents)
• CCED (12 documents)
• Pubs Executive Directive (10 documents)

Orders

• Flag Order (1,972 documents)
• Orders of the Day (68 documents)
• Flag Conditions Order (37 documents)
• HCO Ethics Order (25 documents)
• Flag Order Attachment (23 documents)
• Central Bureaux Order (19 documents)
• AOLA Ethics Order (10 documents)
• Flag Ship Order (10 documents)
• Base Flag Order (8 documents)

Bulletins

• Board Technical Bulletin (445 documents)
• Professional Auditor's Bulletin (205 documents)
• Operational Bulletin (22 documents)
• HCO Training Bulletin (13 documents)
• Board Technical Bulletin Attachment (12 documents)
• Technical Bulletin (5 documents)

Letters

• HCO Information Letter (193 documents)
• HCO Administrative Letter (73 documents)
• HCO Executive Letter (34 documents)
• HCO Technical Advice Letter (20 documents)
• HCO Newsletter (13 documents)
• Distribution Division Advice Letter (12 documents)
• HCO Technical Letter (11 documents)
• Technical Advice Letter (6 documents)
• Associate Newsletter (5 documents)

Publications

• Journal of Scientology (43 documents)

Lectures

• Lectures

Books

• Books