Coralie Colmez, Math on trial. How numbers get used and abused in the courtroom, Basic Books, 2013. . (Ninth chapter: "Math error number 9: choosing a wrong model. The case of Hetty Green: a battle of wills"). Slack, Charles. Hetty: The Genius and Madness of America's First Female Tycoon. New York: Ecco (2004). . Higgins, Mark. “The Story of Hetty Green: America’s First Value Investor and Financial Grandmaster.” Financial History. Museum of American Finance. (Fall 2022). https://fhmagazine.org/mag/0907949001668081456/p13 External links A more generous profile: "Shrewdness and Gumption" Wealthy eccentrics, Hetty Green, CNNMoney.com WallStreetCosmos.Com: Hetty Green, Witch or Wizard? 1834 births 1916 deaths 19th-century American businesspeople 19th-century American businesswomen 19th-century American Episcopalians 20th-century American businesspeople 20th-century American businesswomen American financial businesspeople American investors American Quakers Burials in Vermont Businesspeople from Massachusetts Converts to Anglicanism from Quakerism Misers People from Bellows Falls, Vermont People from Brooklyn Heights People from Hoboken, New Jersey People from New Bedford, Massachusetts People from Englewood, New Jersey American women investors Gilded Age