Contributions de L. Ron Hubbard
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Have you lived before this life ?, a scientific surveyL. Ron HubbardAdvanced organization Saint Hill
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Scientology :8-80 :+eight eighty+, the discovery and increase of life energy in the genus Homo sapiensL. Ron HubbardAdvanced organization Saint Hill
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Science of survival, prediction of human behaviourL. Ron HubbardPublications organization World wide