81. Flooded houses on the banks of the Magdalena River below Girardot, Colombia

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82. Girardot, Colombia, from a raft on the Magdalena River

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83. Sawyer family home on Circle Drive in Hastings-on-Hudson, New York

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84. Letter from Wilbur A. Sawyer to Margaret Sawyer

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85. Letter from Wilbur A. Sawyer to Margaret Sawyer

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86. House in Oshogbo, Nigeria, in which two cases of yellow fever occurred

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87. Rest house at Oshogbo, Nigeria

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88. Letter from Wilbur A. Sawyer to Margaret Sawyer

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89. Letter from Wilbur A. Sawyer to Margaret Sawyer

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90. Letter from Wilbur A. Sawyer to Margaret Sawyer

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91. Letter from Wilbur A. Sawyer to Margaret Sawyer

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92. Letter from Wilbur A. Sawyer to Margaret Sawyer

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93. Sawyer family home on Ferndale Drive in Hastings-on-Hudson, New York

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94. Margaret Sawyer with Ruth, Gertrude, and Peggy, at Idylwilde, Michigan

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95. The Relationship of Yellow Fever of the Western Hemisphere to that of Africa and to Leptospiral Jaundice

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96. The Preservation of Yellow Fever Virus

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97. Excerpt from Wilbur A. Sawyer's diary concerning his own yellow fever

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98. View from Wilbur A. Sawyer's hotel room in Bahia, Brazil

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99. Letter from Wilbur A. Sawyer to Margaret Sawyer

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100. Swamp near Natal, Brazil where Anopheles gambiae mosquitoes were first found in the Western Hemisphere

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