The following sources were consulted in the preparation of the article “10 of history’s nicest people.”
- Samuel Gridley Howe, Romantic Reformer
- How We Learned
- Nise da Silveira and the Museum of Images of the Unconscious
- John Woolman’s Intersecting Testimonies against Enslavement, Colonialism and the Rum Trade
- Save the Children: Our History
- Humanitarian to a Nation: Abdul Sattar Edhi
- Caroline Chisholm (1808–1877)
- The Work of Josephine Butler
- For the Win: It’s All About Sole
- Righteous Among the Nations: Chiune (Sempo) Sugihara