1. Excerpt from Fred Soper's diary Publication: Produced: [13 January 1965-20 March 1967] Subject(s): International CooperationFamily Planning ServicesPlagueMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Letter from C. Everett Koop to Samuel Ichiye Hayakawa, United States Senate Publication: Produced: 5 November 1981 Subject(s): Abortion, LegalContraceptionFamily Planning Services Archival Collection: The C. Everett Koop Papers (Profiles in Science)
3. Letter from Samuel Ichiye Hayakawa, United States Senate to C. Everett Koop Publication: Produced: 23 October 1981 Subject(s): Family Planning ServicesAbortion, LegalContraception Archival Collection: The C. Everett Koop Papers (Profiles in Science)
