1. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 12 October 1955 Subject(s): Financial SupportMosquito ControlYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Letter from Fred L. Soper to Lewis Hackett Publication: Produced: 18 October 1955 Subject(s): Financial SupportMosquito ControlYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
3. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 12 January 1959 Subject(s): Insect ControlDDTYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
4. Letter from Fred L. Soper to Lewis Hackett Publication: Produced: 20 January 1959 Subject(s): DDTInsect ControlYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
5. Deadly Mosquito Wiped Out in Brazil Publication: New York Times Company, 19 March 1941 Subject(s): Yellow FeverYellow Fever VaccineDisease Transmission, InfectiousMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
6. Vaccination with Virus 17D in the Control of Jungle Yellow Fever in Brazil Publication: Undetermined, 1938 Subject(s): Yellow Fever VaccineCommunicable Disease ControlImmunity Archival Collection: The Fred L. Soper Papers (Profiles in Science)
7. Yellow fever vaccination in Belem, Brazil Publication: Produced: [1930s] Subject(s): BrazilYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
8. Vaccination against Yellow Fever with Immune Serum and Virus Fixed for Mice Publication: Rockefeller University. Press, 1932 Subject(s): Yellow Fever Vaccine Archival Collection: The Wilbur A. Sawyer Papers (Profiles in Science)
9. Letter from Wilbur A. Sawyer to Margaret Sawyer Publication: Produced: 24 March 1942 Subject(s): Yellow Fever Vaccine Archival Collection: The Wilbur A. Sawyer Papers (Profiles in Science)
