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Titles
- The hospital at Townsville, Queensland, Australia1
- Wilbur A. Sawyer alighting from a bullock cart, Weligama Rest House, Ceylon1
- Wilbur A. Sawyer and Dr. Thirumahah at the office of the hookworm campaign in Walajahpet, India1
- Wilbur A. Sawyer and workers from the headquarters of Unit No.1, Amphur Sansai, near Chiengmai, Siam1
- Wilbur A. Sawyer as Director of the Rockefeller Foundation Hookworm Campaign in Australia1
- [Counting hookworms in prisoners in Asuncion, Paraguay] (image 1)1
- [Counting hookworms in prisoners in Asuncion, Paraguay] (image 2)1