1. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 1) Date: 1924 Genre: Photographic prints
2. Burying a baby in the emergency cemetery in Ceara, Brazil Creator: ?The? Rockefeller Foundation Date: 1939 Genre: Photographic prints
3. A nine year-old Brazilian boy, displaying the hookworms and tapeworms he expelled when treated by the Rockefeller Foundation staff Date: [ca. 1920] Genre: Photographic prints
4. Fred Soper and his Alpha Kappa Kappa fraternity brothers at Rush Medical College Date: 1918 Genre: Photographic prints
5. 'Ubiqueteers' J.H.U. School of Hygiene and Public Health Creator: Johns Hopkins University Date: [Between 1922 and 1923] Genre: Photographic prints
6. 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)
7. [Stopping mosquitoes at the border] (image 2) Creator: ?The? Rockefeller Foundation Date: [1938-1941] Genre: Photographic prints
8. 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)