1. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 1) Date: February 1924 Genre: Photographic prints
2. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 2) Date: February 1924 Genre: Photographic prints
3. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 3) Date: February 1924 Genre: Photographic prints
4. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [4-24 May 1926] Genre: DiariesTranscriptsExcerpts
5. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: 13 April 1927 Genre: DiariesTranscriptsExcerpts
6. Fights Mental Ills of College Youths Date: 27 June 1927 Publisher: New York Times Company Genre: Articles
7. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [9 September-12 November 1927] Genre: DiariesTranscriptsExcerpts
8. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 January-30 April 1928] Genre: DiariesTranscriptsExcerpts
9. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [May-June 1928] Genre: DiariesExcerpts
10. Memorandum from M. E. Connor to Clementino Fraga Creator: Connor, M. E. Date: 7 June 1928 Genre: Memorandums
11. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 January-16 February 1929] Genre: DiariesExcerpts
12. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [14-30 April 1929] Genre: DiariesExcerpts
13. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 May-27 July 1929] Genre: DiariesExcerpts
14. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [28 July-31 December 1929] Genre: DiariesExcerpts
15. Perifocal spraying of a water container in squatter dwelling in Caracas, Venezuela Creator: The World Health OrganizationRude, MaxinePan-American Health Organization Date: [1930s] Genre: Photographic prints
16. Microscopists screening Anopheles larvae for Anopheles gambiae Date: [1930s] Genre: Photographic prints
17. Sanitary inspector checking for Aedes aegypti mosquito larvae in Mexico Date: [1930s] Genre: Photographic prints
19. Perifocal spraying to control mosquito breeding in Asuncion, Paraguay Date: [1930s] Genre: Photographic prints
20. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [26 February-1 July 1930] Genre: DiariesExcerpts
21. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [2 July-31 August 1930] Genre: DiariesExcerpts
22. Studies of the Distribution of Immunity to Yellow Fever in Brazil Creator: Frobisher, M. , JrSoper, Fred Lowe, 1893-1977Kerr, J. A.Davis, N. C. Date: September 1932 Publisher: John McCormick Institute for Infectious Diseases Genre: Articles
24. Fred L. Soper and Alexander W. Burke crossing a bridge to investigate an area where yellow fever occurred without the Aedes aegypti mosquito Creator: Sawyer, Wilbur A. Date: 1934 Genre: Photographic prints
25. Yellow fever laboratory, viscerotomy section, Rio de Janeiro Date: 1937 Genre: Slides (photographs)
26. Instruccoes para Representantes do Servico do Febre Amarella em Postos de Viscerotomia [Instructions for Representatives of the Yellow Fever Service on Viscerotomy Posts] Creator: Yellow Fever Service Date: [ca. 1937] Publisher: The Brazilian Ministry of Health Genre: Pamphlets
27. The New Epidemiology of Yellow Fever Creator: Soper, Fred Lowe, 1893-1977 Date: January 1937 Publisher: Elsevier Science Publishers Genre: Articles
28. Yellow Fever Service and Rockefeller Foundation personnel after a staff luncheon in Rio de Janeiro, Brazil Date: November 1937 Genre: Photographic prints
29. Notecard with photo of the yellow fever laboratory in Rio de Janeiro, and inset photos of rhesus monkeys in lower corners Creator: Soper, Fred Lowe, 1893-1977 Date: [ca. 1938] Genre: Photographic printsLetters (correspondence)
30. [Stopping mosquitoes at the border] (image 2) Creator: ?The? Rockefeller Foundation Date: [1938-1941] Genre: Photographic prints
31. [Stopping mosquitoes at the border] (image 1) Creator: ?The? Rockefeller Foundation Date: [1938-1941] Genre: Photographic prints
32. [Stopping mosquitoes at the border] (image 3) Creator: ?The? Rockefeller Foundation Date: [1938-1941] Genre: Photographic prints
33. Vaccination with Virus 17D in the Control of Jungle Yellow Fever in Brazil Creator: Soper, Fred Lowe, 1893-1977Smith, H. H. Date: 1938 Publisher: Undetermined Genre: Articles
34. Draft of a Plan for Malaria Control in the Lower Jaguaribe Region: State of Ceara Creator: de Souza Pinto, G. Date: June 1938 Genre: ReportsDrafts (documents)
35. Letter from Fred L. Soper to Wilbur A. Sawyer Creator: Soper, Fred Lowe, 1893-1977 Date: 23 November 1938 Genre: Letters (correspondence)
36. Burying a baby in the emergency cemetery in Ceara, Brazil Creator: ?The? Rockefeller Foundation Date: 1939 Genre: Photographic prints
37. Senior personnel of the Malaria Service of the Northeast [MSNE], in front of the MSNE laboratory in Aracati, Ceara, Brazil Date: 1939 Genre: Photographic prints
38. Rural family in Caicara, Brazil with an officer from the malaria service Date: 1939 Genre: Photographic prints
39. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [21-24 January 1939] Genre: DiariesExcerpts
40. African Mosquito Ravaging Brazil Date: 27 March 1939 Publisher: New York Times Company Genre: Articles
41. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: 17 April 1939 Genre: DiariesExcerpts
42. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [24 April-30 May 1939] Genre: DiariesExcerpts
43. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [13-20 June 1939] Genre: DiariesExcerpts
44. Letter from Fred L. Soper to Wilbur A. Sawyer Creator: Soper, Fred Lowe, 1893-1977 Date: 7 July 1939 Genre: Letters (correspondence)
45. Letter from Fred L. Soper to Lewis Hackett Creator: Soper, Fred Lowe, 1893-1977 Date: December 1939 Genre: Letters (correspondence)Poems
46. Letter from Lewis Hackett to Fred L. Soper Creator: Hackett, Lewis Date: 15 December 1939 Genre: Letters (correspondence)Poems
47. Soper walking with Brazilian President Getulio Vargas Date: 16 October 1940 Genre: Photographic prints
48. Deadly Mosquito Wiped Out in Brazil Date: 19 March 1941 Publisher: New York Times Company Genre: Articles
49. Letter from George K. Strode to Wilbur A. Sawyer Creator: Strode, George K. Date: 2 January 1943 Genre: Letters (correspondence)
50. Boletim De Inspecoes Do Guarda Creator: National Yellow Fever Service of BrazilSoper, Fred Lowe, 1893-1977 Date: 9 February 1943 Publisher: The Brazilian Ministry of Health Genre: Charts (graphic documents)
51. Organizacao Administrativa Do Servico Nacional De Febre Amarela Creator: National Yellow Fever Service of BrazilSoper, Fred Lowe, 1893-1977 Date: 1946 Publisher: The Brazilian Ministry of Health Genre: Charts (graphic documents)
52. Bandeiras Usadas Pelo Servico Nacional De Febre Amarela [5-8] Creator: National Yellow Fever Service of BrazilSoper, Fred Lowe, 1893-1977 Date: 1946 Publisher: The Brazilian Ministry of Health Genre: Charts (graphic documents)
53. Bandeiras Usadas Pelo Servico Nacional De Febre Amarela [1-4] Creator: National Yellow Fever Service of BrazilSoper, Fred Lowe, 1893-1977 Date: 1946 Publisher: The Brazilian Ministry of Health Genre: Charts (graphic documents)
54. Letter from Lewis Hackett to Fred L. Soper Creator: Hackett, Lewis Date: 12 October 1955 Genre: Letters (correspondence)
55. Letter from Fred L. Soper to Lewis Hackett Creator: Soper, Fred Lowe, 1893-1977 Date: 18 October 1955 Genre: Letters (correspondence)