| February 20, 1982 | Overts | L. Ron Hubbard writes HCOPL "Overts". | |
| April 17, 1977 | Recurring Withholds and Overts | L. Ron Hubbard writes HCOB 'Recurring Withholds and Overts'. | |
| October 19, 1974 | The Dramatization of Withholds on Vital Information Lines | L. Ron Hubbard writes HCOPL 'The Dramatization of Withholds on Vital Information Lines'. | |
| November 14, 1970 | The Product as an Overt Act | L. Ron Hubbard writes HCOPL 'The Product as an Overt Act'. | |
| October 22, 1970 | "No Overts" Cases | L. Ron Hubbard writes HCOB '"No Overts" Cases '. | |
| June 17, 1970 | Triple/Quad Rudiments and Overts | L. Ron Hubbard writes HCOB 'Triple/Quad Rudiments and Overts '. | |
| January 31, 1970 | Withholds, Other People's | L. Ron Hubbard writes HCOB 'Withholds, Other People's '. | |
| November 5, 1967 | O/Ws and Evaluation | L. Ron Hubbard writes HCOPL 'O/Ws and Evaluation'. | |
| June 6, 1967 | Missed Withhold Handling | L. Ron Hubbard writes HCOB 'Missed Withhold Handling'. | |
| June 6, 1967 | The "Lost Tech" of Handling Overts and Evil Purposes | L. Ron Hubbard writes HCOB 'The "Lost Tech" of Handling Overts and Evil Purposes'. | |
| March 31, 1967 | Basic Study Missed Withhold | L. Ron Hubbard writes HCOB 'Basic Study Missed Withhold'. | |
| March 2, 1967 | O/W Write-Ups | L. Ron Hubbard writes HCOB 'O/W Write-Ups'. | |
| February 20, 1967 | Overts | L. Ron Hubbard writes HCOB 'Overts'. | |
| September 29, 1965 | The Continuing Overt Act | L. Ron Hubbard writes HCOB 'The Continuing Overt Act'. | |
| July 12, 1964 | More on O/Ws | L. Ron Hubbard writes HCOB 'More on O/Ws'. | |
| May 21, 1962 | Missed Withholds, Asking About | L. Ron Hubbard writes HCOB 'Missed Withholds, Asking About'. | |
| February 22, 1962 | Withholds, Missed and Partial | L. Ron Hubbard writes HCOB 'Withholds, Missed and Partial'. | |
| February 15, 1962 | Co-audit and Missed Withholds | L. Ron Hubbard writes HCOB 'Co-audit and Missed Withholds'. | |
| February 8, 1962 | Missed Withholds | L. Ron Hubbard writes HCOB 'Missed Withholds'. | |
| February 18, 1960 | How to Run O/W and Responsibility | L. Ron Hubbard writes HCOB "How to Run O/W and Responsibility". | |
| February 4, 1960 | Overt Manifestation on a Low-Toned Case | L. Ron Hubbard writes HCOB "Overt Manifestation on a Low-Toned Case". | |
| December 16, 1959 | Responsibility for O/Ws | L. Ron Hubbard writes HCOB 'Responsibility for O/Ws'. | |
| February 24, 1959 | Selected Persons Overt-Withhold Straightwire | L. Ron Hubbard writes HCOB 'Selected Persons Overt-Withhold Straightwire'. | |
