Eugenic Nation. Alexandra Minna Stern. University of California Press (Berkeley, Los Angeles, London)

Franz Boas's information. https://en.wikipedia.org/wiki/Franz_Boas April 2nd, 2018.

Margaret Mead's information. https://en.wikipedia.org/wiki/Margaret_Mead. April 2nd, 2018.

Ruth Benedict's information. https://en.wikipedia.org/wiki/Ruth_Benedict. April 2nd, 2018.

Lewis Terman's information. https://en.wikipedia.org/wiki/Lewis_Terman. April 2nd, 2018