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's caravan and guides on the road to Coronel Ponce, Mato Grosso, Brazil Creator: Sawyer, Wilbur A. Date: 17 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. PP-CAO, the "flying cow" airplane, in Corumba, Brazil Creator: Sawyer, Wilbur A. Date: 15 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