1. Yellow Fever Laboratory, Bahia, Brazil

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2. Nurses' House and Central Office of the Yellow Fever Service, Rio de Janeiro

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3. The Central Office of the Yellow Fever Service, Rio de Janeiro

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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

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5. Portrait of Mr. Lisboa, village telegraph officer, with Fred L. Soper and Alexander Burke in Coronel Ponce, Mato Grosso, Brazil

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6. Wilbur A. Sawyer's caravan and guides on the road to Coronel Ponce, Mato Grosso, Brazil

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7. Fred L. Soper and Amaral Machado in the doorway of the Health Department building, Bahia, Brazil

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8. PP-CAO, the "flying cow" airplane, in Corumba, Brazil

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9. Workers in the Yellow Fever Laboratory at Bahia, Brazil

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10. Condor "Junker" plane in Sao Paulo, ready to fly to Corumba, Brazil

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11. Fred L. Soper and other doctors waiting for the repair of a blow-out, en route to Sao Goncalo, Pernambuco, Brazil

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12. View of Corumba from above the Paraguay River

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13. Yellow fever headquarters at Cuiaba, Mato Grosso, Brazil

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14. Mosquito capture squad, Sao Goncalo, Pernambuco, Brazil

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15. Burity de Conceicao, Mato Grosso, Brazil

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16. Marketplace in Sao Goncalo, Pernambuco, Brazil

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17. View of New York City facing north from Wilbur A. Sawyer's Rockefeller Foundation office

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18. View of New York City facing south from Wilbur A. Sawyer's Rockefeller Foundation office

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19. View from Wilbur A. Sawyer's hotel room in Nikko, Japan

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20. Merry Christmas from the House in the Pines from Margaret and Wilbur Sawyer

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21. Hookworm meeting at Wat Sansai, near Chiengmai, Siam

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22. Wat Pra Keo, palace grounds, Bangkok, Siam

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23. Juggernaut (ceremonial cart) near the temple gate at Tiruchchirappalli, India

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24. See-saw water pump for irrigation, Madras, India

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25. Massachusetts General Hospital

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26. Wall, moat, and outer gate tower of the Hindu temple at Thanjavur

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27. Raft tank and temple at Madurai, India

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28. Gate towers and main temple at Thanjavur, India

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29. Ruby Cunningham opening a dog's head at the California State Hygienic Laboratory

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30. The Sawyer home on T Street, Sacramento, California

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31. Pineapple plantation near Nambour, Queensland, Australia

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32. S. M. Lambert in front of the office of the Hookworm Campaign in Bowen, Queensland, Australia

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33. Hamilton, Brisbane, Australia from the deck of the ship Aki Maru

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34. Hookworm Campaign central office, College Road, Brisbane, Australia

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35. Hookworm Campaign central office stockroom, College Road, Brisbane, Australia

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36. Sawyer children in aboriginal costumes, Brisbane, Australia

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37. Broken Hill, New South Wales, Australia from the top of the British mine

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38. Afghan saddling his riding camel, Afghan camp, Broken Hill, New South Wales, Australia

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39. Train for passengers over the sugar railroad, Australia

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40. The Australian Institute of Tropical Medicine, Townsville, Queensland

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41. Margaret Sawyer with daughters Ruth and Gertrude playing outdoors, Brisbane, Australia

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42. The hospital at Townsville, Queensland, Australia

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43. The Sawyer children and their ayah, Podihami, at their bungalow "Kudsia" in Colombo, Ceylon

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44. The Sawyer family at their bungalow "Kudsia" in Colombo, Ceylon

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45. Ruth and Gertrude Sawyer with Freda Bage at their bungalow "Kudsia" in Colombo, Ceylon

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46. The Sawyer children at their bungalow "Kudsia" in Colombo, Ceylon

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47. Elephants and their mahouts at Alawatugoda, Ceylon

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48. Margaret, Ruth, and Gertrude Sawyer sightseeing in Jerusalem

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49. P.S. Carley at a Malaria Survey Section's camp at Lake Huleh, Palestine

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50. The Taj Mahal immediately after sunset

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