1. Letter from Linus Pauling to Richard Morgan Publication: Produced: 20 June 1955 Subject(s): Mental DisordersPhenylketonurias Archival Collection: The Linus Pauling Papers (Profiles in Science)
2. Letter from Linus Pauling to Warren M. Sperry Publication: Produced: 23 January 1956 Subject(s): Mental Disorders Archival Collection: The Linus Pauling Papers (Profiles in Science)
3. Letter from Linus Pauling to Sidney L. Halpernin Publication: Produced: 6 October 1956 Subject(s): Mental DisordersGenetic Predisposition to Disease Archival Collection: The Linus Pauling Papers (Profiles in Science)