The subseries consists of Dr. Lewis’ research into the therapeutic effects of Lysergic Acid Diethylamide or LSD. Records include drafts of articles, correspondence, research data and notes, protocols for experimentation and a copy of the article “Therapy with Lysergic Acid Diethylamide” co-authored with Dr. Bruce Sloane. Records also include patient reactions to LSD, including experiences related by Raymond Prince.

File consists of correspondence on further training in London England at the Maudsley hospital, outline for courses, correspondence on research project with Lysergic Acid (LSD) and further training opportunities and funding.