1. Fred Soper and his Alpha Kappa Kappa fraternity brothers at Rush Medical College

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2. A nine year-old Brazilian boy, displaying the hookworms and tapeworms he expelled when treated by the Rockefeller Foundation staff

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3. Soper preparing for an inspection tour of Maranhao, Brazil

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4. Fred L. Soper's United States passport

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5. Excerpt from Fred Soper's diary

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6. Excerpt from Fred Soper's diary

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7. Excerpt from Fred Soper's diary

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8. Excerpt from Fred Soper's diary

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9. Excerpt from Fred Soper's diary

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10. 'Ubiqueteers' J.H.U. School of Hygiene and Public Health

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11. Excerpt from Fred Soper's diary

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12. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 1)

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13. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 3)

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14. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 4)

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15. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 2)

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16. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 1)

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17. [A type of privy put in as a result of the campaign against hookworm in Paraguay] (image 2)

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18. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 1)

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19. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 2)

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20. [Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 3)

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21. Excerpt from Fred Soper's diary

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22. Bidding the Sickness Cease

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23. Excerpt from Fred Soper's diary

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24. Fights Mental Ills of College Youths

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25. Excerpt from Fred Soper's diary

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26. Fred L. Soper

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27. Excerpt from Fred Soper's diary

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28. Excerpt from Fred Soper's diary

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29. Memorandum from M. E. Connor to Clementino Fraga

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30. Excerpt from Fred Soper's diary

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31. Excerpt from Fred Soper's diary

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32. Excerpt from Fred Soper's diary

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33. Excerpt from Fred Soper's diary

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34. Perifocal spraying of a water container in squatter dwelling in Caracas, Venezuela

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35. Microscopists screening Anopheles larvae for Anopheles gambiae

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36. Sanitary inspector checking for Aedes aegypti mosquito larvae in Mexico

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37. Yellow fever vaccination in Belem, Brazil

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38. Perifocal spraying to control mosquito breeding in Asuncion, Paraguay

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39. Excerpt from Fred Soper's diary

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40. Excerpt from Fred Soper's diary

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41. Studies of the Distribution of Immunity to Yellow Fever in Brazil

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42. Emergency cemetery for malaria victims in Ceara, Brazil

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43. Fred L. Soper and Alexander W. Burke crossing a bridge to investigate an area where yellow fever occurred without the Aedes aegypti mosquito

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44. Yellow fever laboratory, viscerotomy section, Rio de Janeiro

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45. Instruccoes para Representantes do Servico do Febre Amarella em Postos de Viscerotomia [Instructions for Representatives of the Yellow Fever Service on Viscerotomy Posts]

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46. The New Epidemiology of Yellow Fever

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47. Yellow Fever Service and Rockefeller Foundation personnel after a staff luncheon in Rio de Janeiro, Brazil

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48. Notecard with photo of the yellow fever laboratory in Rio de Janeiro, and inset photos of rhesus monkeys in lower corners

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49. [Stopping mosquitoes at the border] (image 2)

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50. [Stopping mosquitoes at the border] (image 1)

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51. [Stopping mosquitoes at the border] (image 3)

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52. Vaccination with Virus 17D in the Control of Jungle Yellow Fever in Brazil

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53. Draft of a Plan for Malaria Control in the Lower Jaguaribe Region: State of Ceara

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54. Letter from Fred L. Soper to Wilbur A. Sawyer

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55. Burying a baby in the emergency cemetery in Ceara, Brazil

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56. Senior personnel of the Malaria Service of the Northeast [MSNE], in front of the MSNE laboratory in Aracati, Ceara, Brazil

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57. Rural family in Caicara, Brazil with an officer from the malaria service

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58. Excerpt from Fred Soper's diary

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59. African Mosquito Ravaging Brazil

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60. Excerpt from Fred Soper's diary

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61. Excerpt from Fred Soper's diary

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62. Excerpt from Fred Soper's diary

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63. Letter from Fred L. Soper to Wilbur A. Sawyer

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64. Letter from Fred L. Soper to Lewis Hackett

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65. Letter from Lewis Hackett to Fred L. Soper

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66. Soper walking with Brazilian President Getulio Vargas

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67. Deadly Mosquito Wiped Out in Brazil

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68. Letter from Wilbur A. Sawyer to Fred L. Soper

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69. Letter from C. S. Stephenson to Wilbur A. Sawyer

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70. Letter from Wilbur A. Sawyer to C. S. Stephenson

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71. Executive Order 9285, Establishing the United States of America Typhus Commission

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72. De-lousing clothing on a street corner in Mitrihena, Egypt

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73. Dusting villagers with louse powder in Esbe Rameses, Egypt

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74. Tent headquarters for typhus control work, Egypt

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75. A health worker inspecting a village pool for Anopheles gambiae mosquitoes, Egypt

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76. Introduction and instructions for inspectors

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77. Organization in urban centers

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78. [Excerpt from Fred Soper's diary, Egypt] (section 1)

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79. [Excerpt from Fred Soper's diary, Egypt] (section 2)

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80. [Excerpt from Fred Soper's diary, Egypt] (section 3)

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81. Letter from George K. Strode to Wilbur A. Sawyer

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82. Letter from Richard F. Allen and George K. Strode to Robert D. Murphy

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83. Letter from Robert D. Murphy to Richard F. Allen and George K. Strode

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84. Boletim De Inspecoes Do Guarda

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85. Letter from Henry Stimson to Fred L. Soper

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86. Report on Initial Work with Louse Powders at the Prison at Maison Carree, Algeria, Carried Out Under the Auspices of the Pasteur Institute of Algiers

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87. Letter from Dudley A. Reekie to Fred L. Soper

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88. Louse Powder Studies in North Africa

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89. Letter from Fred L. Soper to Leon A. Fox

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90. Letter from Fred L. Soper to Dudley A. Reekie

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91. Memorandum from Fred L. Soper to William S. Stone

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92. Report on the Work with Louse Powders at the Prison at Maison Carree, Algeria

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93. Memorandum from Fred L. Soper to William S. Stone

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94. Memorandum from Fred L. Soper to W. H. Crichton

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95. Letter from W. H. Crichton to D. Gordon Cheyne

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96. Letter from W. H. Crichton to D. Gordon Cheyne

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97. Letter from C.M.F. to C.G.S.

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98. Report on the Control of Typhus in Naples, Italy, December 9, 1943 to January 2, 1944

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99. Letter from Fred L. Soper to Wilbur A. Sawyer

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100. Danger of typhus carried by lice

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