- GA’s open letter to Mike Rinder: What’s lacking now? (January 7, 2017)
- No do it Mike Rinder. Tell the truth. (December 10, 2016)
- GA Letter to Mark Rathbun (June 8, 2015)
- GA letter to Mark Rathbun about the IRS deal, Monique Yingling and villainy (June 8, 2015)
- Letter to Alex Gibney on the IRS deal, public policy, and calling out Rathbun and Rinder (March 6, 2015)
- Gerry Armstrong: Chris Shelton — logic and loyalty, on the line (February 18, 2015)
- GA Letter to Jesse Prince (November 14, 2014)
- GA Letter to Jesse Prince (November 9, 2014)
- Letter to Dan Sherman
- GA Letter to Clayton C. Ruby (1) (February 17, 2014)
- GA Letter to Clayton C. Ruby (2) (February 17, 2004)
- GA Letter to Clayton Ruby: Defamation claim and demand for remedy (February 16, 2014)
- GA letter to Marty Rathbun re the petards in his Memoirs (January 12, 2014)
- GA Letter to Jesse Prince (May 3, 2011)
- GA letter to Rathbun: Seeking Understanding for Wogs (September 6, 2009)
- GA letter to Mark Rathbun: Apology not needed or wanted (September 4, 2009)
- GA letter to Mark Rathbun: Help on Black PR (August 18, 2009)
- GA letter to Mark Rathbun Re Black PR to the IRS (August 14, 2009)
- GA letter to Mark Rathbun for help getting back stolen documents (July 7, 2009)
- GA Open letter to Mark Rathbun (May 31, 2009)
- Dan Sherman letter to Editor, The Boston Herald (ca. March 1998)
- GA Letter to IRS (March 8, 1997)
- Letter from Heber Jentzsch to James McGovern, Assistant IRS Commissioner (November 5, 1994)
- Letter from Heber Jentzsch to James McGovern, Assistant IRS Commissioner (February 24, 1994)
- CSI 1023 Submission: Exhibit III-10-U [Legal Memorandum Re: Scientology criminal proceedings in Toronto, Canada] (November 23, 1992)
- GA Letter to David Gustafson, Esq., Justice Department (January 21, 1991)
- IRS: Final Adverse Ruling (July 8, 1988)
- GA Letter to Dan Sherman (May 04, 1987)
- GA Letter to Dan Sherman (February 26, 1987)
- GA Letter to FBI (August 13, 1986)
- GA Letter to Dan Sherman (July 02, 1986)
- Letter from Los Angeles County DA to Ken Hoden (April 25, 1986)
- Dan Sherman letter to GA (April 24, 1986)
- Letter from FBI to GA (March 26, 1986)
- GA Letter to Dan Sherman (March 22, 1986)
- Letter from DOJ to GA re FOIA appeal (March 21, 1986)
- Dan Sherman letter to GA (March, 1986)
- Letter from DOJ to GA (December 17, 1985)
- GA Letter to FBI (Appeal from FOIA request denials) (December 9, 1985)
- GA Letter to FBI (December 9, 1985)
- Letter from FBI to GA (November 20, 1985)
- Letter from Roger Geller to FBI (November 6, 1985)
- Letter from Roger Geller to FBI (November 1, 1985)
- GA Letter to FBI (October 30, 1985)
- Letter from James W. Greenleaf (FBI SA I/C) to GA (October 29, 1985)
- Letter from FBI to Gerry Armstrong (October 29, 1985)
- GA Letter to FBI (October 25, 1985)
- GA Letter to FBI Boston (October 23, 1985)
- Letter from Roger Geller to FBI SA Tim Leonard (October 22, 1985)
- GA Letter to Los Angeles District Attorney Ira Reiner (October 17, 1985)