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2. Fights Mental Ills of College Youths
3. Excerpt from Fred Soper's diary
4. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 1)
5. [Counting hookworms in prisoners in Asuncion, Paraguay] (image 2)
6. Hookworm meeting at Wat Sansai, near Chiengmai, Siam
7. Wilbur A. Sawyer and workers from the headquarters of Unit No.1, Amphur Sansai, near Chiengmai, Siam
8. Wilbur A. Sawyer as Director of the Rockefeller Foundation Hookworm Campaign in Australia
9. S. M. Lambert in front of the office of the Hookworm Campaign in Bowen, Queensland, Australia
10. Pineapple plantation near Nambour, Queensland, Australia
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