1. Letter from Fred L. Soper to Lewis Hackett Creator: Soper, Fred Lowe, 1893-1977 Date: December 1939 Genre: Letters (correspondence)Poems
2. Letter from Lewis Hackett to Fred L. Soper Creator: Hackett, Lewis Date: 12 October 1955 Genre: Letters (correspondence)
3. Letter from Fred L. Soper to Lewis Hackett Creator: Soper, Fred Lowe, 1893-1977 Date: 18 October 1955 Genre: Letters (correspondence)
4. Deadly Mosquito Wiped Out in Brazil Date: 19 March 1941 Publisher: New York Times Company Genre: Articles
5. Fights Mental Ills of College Youths Date: 27 June 1927 Publisher: New York Times Company Genre: Articles
6. African Mosquito Ravaging Brazil Date: 27 March 1939 Publisher: New York Times Company Genre: Articles
7. Letter from Lewis Hackett to Fred L. Soper Creator: Hackett, Lewis Date: 15 December 1939 Genre: Letters (correspondence)Poems
8. Memorandum from M. E. Connor to Clementino Fraga Creator: Connor, M. E. Date: 7 June 1928 Genre: Memorandums
9. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 January-16 February 1929] Genre: DiariesExcerpts
10. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 May-27 July 1929] Genre: DiariesExcerpts
11. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [26 February-1 July 1930] Genre: DiariesExcerpts
12. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [2 July-31 August 1930] Genre: DiariesExcerpts
13. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [14-30 April 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. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [21-24 January 1939] Genre: DiariesExcerpts
16. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [1 January-30 April 1928] Genre: DiariesTranscriptsExcerpts
17. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [9 September-12 November 1927] Genre: DiariesTranscriptsExcerpts
18. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [4-24 May 1926] Genre: DiariesTranscriptsExcerpts
19. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: 13 April 1927 Genre: DiariesTranscriptsExcerpts
20. Letter from George K. Strode to Wilbur A. Sawyer Creator: Strode, George K. Date: 2 January 1943 Genre: Letters (correspondence)
21. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [13-20 June 1939] Genre: DiariesExcerpts
22. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [24 April-30 May 1939] Genre: DiariesExcerpts
23. Letter from Fred L. Soper to Wilbur A. Sawyer Creator: Soper, Fred Lowe, 1893-1977 Date: 7 July 1939 Genre: Letters (correspondence)
24. Letter from Fred L. Soper to Wilbur A. Sawyer Creator: Soper, Fred Lowe, 1893-1977 Date: 23 November 1938 Genre: Letters (correspondence)
25. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: 17 April 1939 Genre: DiariesExcerpts
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. Excerpt from Fred Soper's diary Creator: Soper, Fred Lowe, 1893-1977 Date: [May-June 1928] Genre: DiariesExcerpts
28. 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
29. 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
30. The New Epidemiology of Yellow Fever Creator: Soper, Fred Lowe, 1893-1977 Date: January 1937 Publisher: Elsevier Science Publishers Genre: Articles
31. 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)