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[Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 1). Photographic Print. 1 Image. February 1924.
[Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 2). Photographic Print. 1 Image. February 1924.
[Yellow Fever Service public information posters as they appeared in streetcars in Recife, Brazil] (image 3). Photographic Print. 1 Image. February 1924.
Rude, Maxine, Pan American Health Organization, and World Health Organization. [Perifocal spraying of a water container in squatter dwelling in Caracas, Venezuela]. Photographic Print. 1 Image. [1930s].
[Perifocal spraying to control mosquito breeding in Asuncion, Paraguay]. Photographic Print. 1 Image. [1930s].
[Sanitary inspector checking for Aedes aegypti mosquito larvae in Mexico]. Photographic Print. 1 Image. [1930s].
[Emergency cemetery for malaria victims in Ceara, Brazil]. Photographic Print. 1 Image. 1934.
Sawyer, Wilbur A. [Fred L. Soper and Alexander W. Burke crossing a bridge to investigate an area where yellow fever occurred without the Aedes aegypti mosquito]. Photographic Print. 1 Image. 1934.
[Yellow Fever Service and Rockefeller Foundation personnel after a staff luncheon in Rio de Janeiro, Brazil]. Photographic Print. 1 Image. November 1937.
[Yellow fever laboratory, viscerotomy section, Rio de Janeiro]. Slide. 1 Image. 1937.
Soper, Fred L. [Notecard with photo of the yellow fever laboratory in Rio de Janeiro, and inset photos of rhesus monkeys in lower corners]. Letter (correspondence). Photographic Print. 1 Image. [ca. 1938].
Rockefeller Foundation. [Stopping mosquitoes at the border] (image 1). Photographic Print. 1 Image. [1938-1941].
Rockefeller Foundation. [Stopping mosquitoes at the border] (image 2). Photographic Print. 1 Image. [1938-1941].
Rockefeller Foundation. [Stopping mosquitoes at the border] (image 3). Photographic Print. 1 Image. [1938-1941].
Rockefeller Foundation. [Burying a baby in the emergency cemetery in Ceara, Brazil]. Photographic Print. 1 Image. 1939.
[Rural family in Caicara, Brazil with an officer from the malaria service]. Photographic Print. 1 Image. 1939.
[Senior personnel of the Malaria Service of the Northeast [MSNE], in front of the MSNE laboratory in Aracati, Ceara, Brazil]. Photographic Print. 1 Image. 1939.
[Soper walking with Brazilian President Getulio Vargas]. Photographic Print. 1 Image. 16 October 1940.
[Jaguaribe river during rainy season in Ceara, Brazil]. Photographic Print. 1 Image. [n.d.].