31. Excerpt from Fred Soper's diary Publication: Produced: [1 May-27 July 1929] Subject(s): Yellow FeverBrazilInternational CooperationEpidemiologyFinancial SupportDiagnosisMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
32. Excerpt from Fred Soper's diary Publication: Produced: [26 February-1 July 1930] Subject(s): Yellow FeverOrganization and AdministrationMalariaDiagnosisMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
33. Excerpt from Fred Soper's diary Publication: Produced: [2 July-31 August 1930] Subject(s): Yellow FeverDiagnosisPatents as TopicBrazilEpidemiology Archival Collection: The Fred L. Soper Papers (Profiles in Science)
34. Fights Mental Ills of College Youths Publication: New York Times Company, 27 June 1927 Subject(s): Yellow FeverMosquito ControlStudentsMalariaHookworm Infections Archival Collection: The Fred L. Soper Papers (Profiles in Science)
35. 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)
36. Fever of Jungle Marching North Publication: New York Times Company, 12 February 1956 Subject(s): Yellow FeverEpidemiology Archival Collection: The Fred L. Soper Papers (Profiles in Science)
37. Introduction and instructions for inspectors Publication: ?The? Rockefeller Foundation, 1943 Subject(s): Communicable Disease ControlBrazilFinancial SupportYellow FeverMosquito ControlJob Description Archival Collection: The Fred L. Soper Papers (Profiles in Science)
38. Excerpt from Fred Soper's diary Publication: Produced: [1 January-30 April 1928] Subject(s): Yellow FeverMosquito ControlBrazilOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
39. Excerpt from Fred Soper's diary Publication: Produced: [28 July-31 December 1929] Subject(s): Yellow FeverEpidemiologyDiagnosisBrazilInternational Cooperation Archival Collection: The Fred L. Soper Papers (Profiles in Science)
40. Excerpt from Fred Soper's diary Publication: Produced: [9 September-12 November 1927] Subject(s): Yellow FeverCause of DeathBrazil Archival Collection: The Fred L. Soper Papers (Profiles in Science)