1. Letter from Margaret Sanger to Mary Lasker Publication: Produced: 28 March 1952 Subject(s): ContraceptionMotion Pictures Archival Collection: The Mary Lasker Papers (Profiles in Science)
2. Letter from Margaret Sanger to Mary Lasker Publication: Produced: 1 April 1959 Subject(s): Contraception Archival Collection: The Mary Lasker Papers (Profiles in Science)
3. 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)
4. 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)
