This article is from the Scientology and Dianetics FAQ, by firstname.lastname@example.org (Scientology Information Server) with numerous contributions by others.
The Technical Bulletins of Dianetics and Scientology
Eighteen volumes containing all of L. Ron Hubbard's technical
bulletins, articles and essays from 1950 to the present.
Fully indexed. The broadest, most complete written record on
the spirit, the mind and life in existence.
The Research and Discovery Series
A massive (over 100 volumes when complete) transcription and
publication of all L. Ron Hubbard's recorded technical
lectures and demonstrations. The only complete running record
of all Mr. Hubbard's research into the mind and life.
Supplemental material contained in each volume illuminates
track of research and development.