The Hugh Lynn Cayce Version is Helen’s retyping of the second draft. It was an attempt by her and Bill to turn the very rough original dictation into a clean and readable manuscript.
This version is named after Hugh Lynn Cayce, son of the famous psychic Edgar Cayce. Hugh Lynn had been very supportive of Helen throughout her scribing of the Course, and so she and Bill sent him a copy of the completed manuscript in 1972. They called this the Hugh Lynn Version and it has become popularly known as the Hugh Lynn Cayce or HLC. The HLC occupies a middle ground between the Urtext and the standard Course: