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Titles
- S. M. Lambert in front of the office of the Hookworm Campaign in Bowen, Queensland, Australia1
- Sabin seated at lab bench, working with slides1
- Sabin sitting at a lab bench with a microscope at the Rockefeller Institute1
- Sabin sitting in her lab at the Rockefeller Institute1
- Santiago Samper laboratory1
- Sawyer children in aboriginal costumes, Brisbane, Australia1
- Sawyer family at their bungalow "Kudsia" in Colombo, Ceylon1
- Sawyer family home on Circle Drive in Hastings-on-Hudson, New York1
- Sawyer family home on Ferndale Drive in Hastings-on-Hudson, New York1
- Scenic Colorado photograph sent by Sabin as Christmas card1
- See-saw water pump for irrigation, Madras, India1
- Side street in Ibague, Colombia1
- Soper preparing for an inspection tour of Maranhao, Brazil1
- Surgeon General Hugh Cumming Poses with Public Health Service Staff Members on the National Mall1