The following sources were consulted in the preparation of the article “12 unsung heroes history doesn’t talk about enough.”
- Ona Simaite, Joop Westerweel, Irena Sendler
- Feng Shan Ho
- Jeryl Lynn Hilleman: A Legacy of Hope in Vaccine Development
- Alice C. Evans: breaking barriers
- Jewish children taken to England at the last minute
- The Manchurian pandemic of pneumonic plague (1910–1911)
- Alice Augusta Ball: A trailblazing chemist created a viable treatment for leprosy
- Lessons from the eradication of smallpox: an interview with D. A. Henderson
- Alice Hamilton and the Development of Occupational Medicine
- Charles Hamilton Houston
- WHO Doctor and Hero of SARS in 2003