Article Armitage, Kevin C. (2007)
“The Child Is Born a Naturalist”: Nature Study, Woodcraft Indians, and the Theory of Recapitulation. Journal of the Guilded Age and Progressive Era (p. 43). (/isis/citation/CBB000742078/) unapi

Article Dorr, Gregory Michael (2006)
Defective or Disabled? Race, Medicine, and Eugenics in Progressive Era Virginia and Alabama. Journal of the Guilded Age and Progressive Era (p. 359). (/isis/citation/CBB000742077/) unapi

Article Mezzano, Michael (2005)
The Progressive Origins of Eugenics Critics: Raymond Pearl, Herbert S. Jennings, and the Defense of Scientific Inquiry. Journal of the Guilded Age and Progressive Era (p. 83). (/isis/citation/CBB000742076/) unapi

Article Baick, John S. (2004)
Cracks in the Foundation: Frederick T. Gates, the Rockefeller Foundation, and the China Medical Board. Journal of the Guilded Age and Progressive Era (p. 59). (/isis/citation/CBB000742075/) unapi