1. View from Wilbur A. Sawyer's hotel room in Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 23 May 1930 Genre: Photographic prints
2. Fred L. Soper at an old fort in Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 15 June 1930 Genre: Photographic prints
3. Yellow fever headquarters at Cuiaba, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 22 June 1933 Genre: Photographic prints
4. Nurses' House and Central Office of the Yellow Fever Service, Rio de Janeiro Creator: Sawyer, Wilbur A. Date: June 1934 Genre: Photographic prints
5. The Central Office of the Yellow Fever Service, Rio de Janeiro Creator: Sawyer, Wilbur A. Date: June 1934 Genre: Photographic prints
6. View of Rio de Janeiro from Wilbur A. Sawyer's room at the Gloria Hotel Creator: Sawyer, Wilbur A. Date: June 1934 Genre: Photographic prints
7. Fred L. Soper and Amaral Machado in the doorway of the Health Department building, Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 11 June 1934 Genre: Photographic prints
8. Yellow Fever Laboratory, Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 12 June 1934 Genre: Photographic prints
9. Workers in the Yellow Fever Laboratory at Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 12 June 1934 Genre: Photographic prints
10. Condor "Junker" plane in Sao Paulo, ready to fly to Corumba, Brazil Creator: Sawyer, Wilbur A. Date: 14 June 1934 Genre: Photographic prints
11. Wilbur A. Sawyer and Fred L. Soper after the arrival of the airplane PP-CAO in Cuiaba, Mato Grosso, Brazil Date: 15 June 1934 Genre: Photographic prints
12. Group photo after Wilbur A. Sawyer's arrival in Cuiaba, Mato Grosso, Brazil Date: 15 June 1934 Genre: Photographic prints
13. PP-CAO, the "flying cow" airplane, in Corumba, Brazil Creator: Sawyer, Wilbur A. Date: 15 June 1934 Genre: Photographic prints
14. Wilbur A. Sawyer's caravan and guides on the road to Coronel Ponce, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 17 June 1934 Genre: Photographic prints
15. Fred L. Soper and Alexander Burke crossing a bridge to inspect the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 18 June 1934 Genre: Photographic prints
16. Portrait of Mr. Lisboa, village telegraph officer, with Fred L. Soper and Alexander Burke in Coronel Ponce, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 18 June 1934 Genre: Photographic prints
17. Fred L. Soper, Wilbur A. Sawyer, and their guide in front of a shelter at the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil Date: 18 June 1934 Genre: Photographic prints
18. Wilbur A. Sawyer crossing a bridge to inspect the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil Date: 18 June 1934 Genre: Photographic prints
19. Burity de Conceicao, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 18 June 1934 Genre: Photographic prints
20. View of Corumba from above the Paraguay River Creator: Sawyer, Wilbur A. Date: 24 June 1934 Genre: Photographic prints