The following links go directly to the most common sites for additional personnel security information. Copies of all directives have been provided and are also found on Google as public information:

• Fact sheet: Mental Health and Security Clearances
• One pager: Mental Health and Security Clearances
• DCSA Knowledge Center
• Defense Office of Hearings and Appeals (DOHA) DoD Directive 5220.06 “Defense Industrial Personnel Security Clearance Review Program”
• DoD Instruction 5200.46 “DoD Investigative and Adjudicative Guidance for Issuing the Common Access Card (CAC)”
• Executive Order 12968, “Access to Classified Information”
• Executive Order 10865, "Safeguarding Classified Information within Industry"
• DoD Manual 5200.02 “Procedures for the DoD Personnel Security Program (PSP)”
• Defense Manpower Data Center (DMDC)