In 1972, L. Ron Hubbard carried out a sociological study in and around New York City. Through the remainder of the year and into 1973, he researched vitamins and nutrition. The research of which became a significant factor in his breakthroughs handling the residual effects of drugs.
LRH Model Session Demonstrations - March 1972
Establishment Officer Lectures - March 1972
Expanded Dianetics Lectures - March - April 1972