1. Yellow Fever Laboratory, Bahia, Brazil Creator: Sawyer, Wilbur A. Date: 12 June 1934 Genre: Photographic prints
2. Nurses' House and Central Office of the Yellow Fever Service, Rio de Janeiro Creator: Sawyer, Wilbur A. Date: June 1934 Genre: Photographic prints
3. The Central Office of the Yellow Fever Service, Rio de Janeiro Creator: Sawyer, Wilbur A. Date: June 1934 Genre: Photographic prints
4. 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
5. 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
6. 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
7. Group photo after Wilbur A. Sawyer's arrival in Cuiaba, Mato Grosso, Brazil Date: 15 June 1934 Genre: Photographic prints
8. 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
9. 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
10. PP-CAO, the "flying cow" airplane, in Corumba, Brazil Creator: Sawyer, Wilbur A. Date: 15 June 1934 Genre: Photographic prints