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

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

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

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4. The hospital at Townsville, Queensland, Australia

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5. Pineapple plantation near Nambour, Queensland, Australia

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

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

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

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9. Letter from Wilbur A. Sawyer to Margaret Sawyer

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10. Letter from Wilbur A. Sawyer to Margaret Sawyer

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

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

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13. Letter from Wilbur A. Sawyer to Margaret Sawyer

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14. Letter from Wilbur A. Sawyer to Margaret Sawyer

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15. Hookworm Disease as Related to Industry in Australia

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

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

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18. Letter from Wilbur A. Sawyer to Margaret Sawyer

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19. Letter from Wilbur A. Sawyer to Margaret Sawyer

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20. The Covington County Courthouse at Andalusia, Alabama

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21. Rockefeller Foundation doctors crossing on a ferry near Leesburg, Georgia

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22. John Howard Lidgett Cumpston and Wilbur A. Sawyer at the Malaria Station, Leesburg, Georgia

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23. Excerpt from Wilbur A. Sawyer's diary concerning his visit to Colombia

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24. Excerpt from Wilbur A. Sawyer's diary concerning his visit to Colombia

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25. Excerpt from Wilbur A. Sawyer's diary concerning his visit to Colombia

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26. Side street in Ibague, Colombia

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27. Houses in Ibague, Colombia

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28. Flooded houses on the banks of the Magdalena River below Girardot, Colombia

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29. Girardot, Colombia, from a raft on the Magdalena River

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