- La syphilis: maladie héréditaire assassine la race1
- Lemminkäinens moder =: Lemminkäisen äiti1
- Malindi Dispensary (Nyasaland Diocese)1
- Margaret Sawyer in an airplane, Brisbane, Australia1
- Michael DeBakey working in the family garden with his father and brother1
- Michael Heidelberger and his son, Charles1
- O. T. Avery, Rockefeller Institute1
- Oswald T. Avery1
- Prof. Carlo Ceni: [La Medicina Italiana]1
- Prof. S. Aschheim1
- Red Cross girl1
- San Roque, atacado de peste, fué alimentado con pan por un perro y cuidado por un ángel1
- Soper preparing for an inspection tour of Maranhao, Brazil1
- The Pauling family, Linus, Ava Helen, and Linus Jr.1
- Veselé Vánoce a šťastný Nový Rok!1
- Violet Hopson1
- Vous pouvez protéger vos enfants contre la diphtérie (angine et croup) grâce au vaccin de l'Institut Pasteur1
- Wilbur A. Sawyer as Director of the Rockefeller Foundation Hookworm Campaign in Australia1
- [A.F. Blakeslee]1
- [Axel Holst]1