Drills
| September 15, 1958 | More on Training Drill Two | L. Ron Hubbard writes HCOB 'More on Training Drill Two'. | |
| December 7, 1958 | Training Drill Change | L. Ron Hubbard writes HCOB 'Training Drill Change'. | |
| March 6, 1959 | Training Drills | L. Ron Hubbard writes HCOB 'Training Drills'. | |
| April 12, 1961 | Training Drills | L. Ron Hubbard writes HCOB 'Training Drills'. | |
| May 26, 1962 | Training Drills Must Be Correct | L. Ron Hubbard writes HCOPL 'Training Drills Must Be Correct'. | |
| October 3, 1962 | Tiger Drilling | L. Ron Hubbard writes HCOB 'Tiger Drilling'. | |
| November 28, 1962 | R2-12, Practical Drills | L. Ron Hubbard writes HCOB 'R2-12, Practical Drills'. | |
| November 29, 1962 | Routines 2-12, 3-21 and 3GAXX, Tiger Drill (Small Tiger) for Nulling by Mid Ruds | L. Ron Hubbard writes HCOB 'Routines 2-12, 3-21 and 3GAXX, Tiger Drill (Small Tiger) for Nulling by Mid Ruds'. | |
| April 16, 1965 | Drills, Allowed | L. Ron Hubbard writes HCOPL 'Drills, Allowed'. | |
| September 21, 1965 | E-Meter Drills | L. Ron Hubbard writes HCOPL 'E-Meter Drills'. | |
| September 21, 1965 | E-Meter Drills | L. Ron Hubbard writes HCOPL 'E-Meter Drills'. | |
| October 23, 1965 | Dissemination Drill | L. Ron Hubbard writes HCOPL 'Dissemination Drill'. | |
| October 23, 1965 | Dissemination Drill | L. Ron Hubbard writes HCOPL 'Dissemination Drill'. | |
| December 10, 1965 | E-Meter Drill Coaching | L. Ron Hubbard writes HCOB 'E-Meter Drill Coaching'. | |
| February 26, 1971 | Drills | L. Ron Hubbard writes HCOPL 'Drills '. | |
| August 16, 1971 | Training Drills Remodernized | L. Ron Hubbard writes HCOB 'Training Drills Remodernized '. | |
| November 20, 1973 | Anti-Q and A Drill | L. Ron Hubbard writes HCOB 'Anti-Q and A Drill'. | |
| January 31, 1979 | Mood Drills | L. Ron Hubbard writes HCOB 'Mood Drills '. | |
| February 7, 1979 | E-Meter Drill 5RB, Can Squeeze | L. Ron Hubbard writes HCOB 'E-Meter Drill 5RB, Can Squeeze '. | |
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