Rudiments
| January 25, 1961 | Handling of Rudiments | L. Ron Hubbard writes HCOB 'Handling of Rudiments'. | |
| July 10, 1961 | Metering Rudiments | L. Ron Hubbard writes HCOB 'Metering Rudiments'. | |
| October 9, 1961 | Rudiments, Change In | L. Ron Hubbard writes HCOB 'Rudiments, Change In'. | |
| December 11, 1961 | Organization Rudiments | L. Ron Hubbard writes HCOPL 'Organization Rudiments'. | |
| December 14, 1961 | Rudiments, Modernized | L. Ron Hubbard writes HCOB 'Rudiments, Modernized'. | |
| January 17, 1962 | Org Rudiment Reports to Me | L. Ron Hubbard writes HCOPL 'Org Rudiment Reports to Me'. | |
| June 8, 1962 | Rudiments Checking | L. Ron Hubbard writes HCOB 'Rudiments Checking'. | |
| June 14, 1962 | Checking Needle in Rudiments Checks | L. Ron Hubbard writes HCOB 'Checking Needle in Rudiments Checks'. | |
| July 2, 1962 | Repetitive Rudiments | L. Ron Hubbard writes HCOB 'Repetitive Rudiments'. | |
| March 8, 1963 | Use of the Big Middle Rudiments | L. Ron Hubbard writes HCOB 'Use of the Big Middle Rudiments'. | |
| November 20, 1965 | Org Rudiments Section | L. Ron Hubbard writes HCOPL 'Org Rudiments Section'. | |
| November 20, 1965 | Org Rudiments Section | L. Ron Hubbard writes HCOPL 'Org Rudiments Section'. | |
| October 4, 1968 | Ruds | L. Ron Hubbard writes HCOB 'Ruds'. | |
| August 15, 1969 | Flying Ruds | L. Ron Hubbard writes HCOB 'Flying Ruds'. | |
| August 19, 1971 | Quad Ruds, Long Duration | L. Ron Hubbard writes HCOB 'Quad Ruds, Long Duration '. | |
| February 17, 1974 | Mutual Out-Ruds | L. Ron Hubbard writes HCOB 'Mutual Out-Ruds'. | |
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