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

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2. Yellow Fever Laboratory, Bahia, Brazil

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

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4. Wilbur A. and Margaret Sawyer with their grandsons Billy and Bobby Sawyer in Newtonville, Massachusetts

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5. Wilbur A. Sawyer, local magistrate S.P. Mei, and others in Kiang Ning Hsien, China

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6. Wilbur A. Sawyer, his son Billy, and Johannes Bauer

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7. Wilbur A. Sawyer, daughter Peggy, and their guide on top of the first pyramid at Giza, Egypt

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8. Wilbur A. Sawyer, daughter Peggy, and Mrs. Calder at the University of California Infirmary

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9. Wilbur A. Sawyer's cottage while visiting the Yellow Fever Laboratory in 1926-1927 in Lagos, Nigeria

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

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11. Wilbur A. Sawyer with elephant tusks at Bandundu, Belgian Congo

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12. Wilbur A. Sawyer with azaleas along the Redwood Highway, California

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13. Wilbur A. Sawyer seated in a rickshaw in Jaffna, Ceylon

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14. Wilbur A. Sawyer outside the UNRRA office in Shanghai, China

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15. Wilbur A. Sawyer on horseback in Banco Vitoria near Ilheus, Brazil

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16. Wilbur A. Sawyer in the mouse room at the yellow fever laboratory, Rockefeller Institute

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17. Wilbur A. Sawyer in Wallace Carroll's newspaper office, Winston-Salem, North Carolina

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18. Wilbur A. Sawyer holding up an elephant tusk in Bandundu, Belgian Congo

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19. Wilbur A. Sawyer dipping for mosquito larvae in a cypress swamp in Leesburg, Georgia

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20. Wilbur A. Sawyer crossing a bridge to inspect the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil

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21. Wilbur A. Sawyer at the village office of the Yellow Fever Laboratory in Yaba, Nigeria

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22. Wilbur A. Sawyer at the California State Hygienic Laboratory

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23. Wilbur A. Sawyer at home in Berkeley, California, with Mt. Tamalpais and Richmond Point in the background

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24. Wilbur A. Sawyer at city hall in Hanford, California, investigating a typhoid epidemic

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25. Wilbur A. Sawyer as a medical resident at Massachusetts General Hospital

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26. Wilbur A. Sawyer as Director of the Rockefeller Foundation Hookworm Campaign in Australia

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27. Wilbur A. Sawyer and workers from the headquarters of Unit No.1, Amphur Sansai, near Chiengmai, Siam

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28. Wilbur A. Sawyer and his staff of the State Hygienic Laboratory in Hanford, California

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29. Wilbur A. Sawyer and fellow medical residents at Massachusetts General Hospital

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30. Wilbur A. Sawyer and fellow medical residents at Massachusetts General Hospital

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31. Wilbur A. Sawyer and fellow medical residents at Massachusetts General Hospital

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32. Wilbur A. Sawyer and fellow medical residents at Massachusetts General Hospital

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33. Wilbur A. Sawyer and faculty members of the Tokyo Imperial University

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34. Wilbur A. Sawyer and Thomas P. Hughes

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35. Wilbur A. Sawyer and Keizo Nobechi at a shrine in Nikko, Japan

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36. Wilbur A. Sawyer and International Health Board colleagues in Leesburg, Georgia

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37. Wilbur A. Sawyer and Freda Bage at the palace ruins at Sigiri Rock, Ceylon

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38. Wilbur A. Sawyer and Fred L. Soper after the arrival of the airplane PP-CAO in Cuiaba, Mato Grosso, Brazil

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39. Wilbur A. Sawyer and Esther Skolfield in the Pasteur Institute of the California State Hygienic Laboratory

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40. Wilbur A. Sawyer and Dr. Thirumahah at the office of the hookworm campaign in Walajahpet, India

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41. Wilbur A. Sawyer alighting from a bullock cart, Weligama Rest House, Ceylon

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42. Wilbur A. Sawyer

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

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

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45. View of Rio de Janeiro from Wilbur A. Sawyer's room at the Gloria Hotel

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

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

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48. View of Corumba from above the Paraguay River

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49. View of Cornell Medical School and New York Hospital from Wilbur A. Sawyer's laboratory at the Rockefeller Institute

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

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