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