Race Mixing and Marriage Laws
141 objects illustrate this topic:

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Eugenik: Erblehre, erbpflege (Eugenics: Hereditary teaching, preservation), October 1930, children of a Chinese father and German mother (#673)
Eugenik: Erblehre, erbpflege (Eugenics: Hereditary teaching, preservation), October 1930, eugenicist Paul Popenoe with pedigree of black artists (#672)
Family affected by albinism (#882)
Field work for Mongrel Virginians in Amherst County, Virginia, Arthur Estabrook's scrapbook, multiple pages (#1257)
"Fig. 6. The chromosomes of man", multiple pages (#547)
"Forecasting the growth of nations" (#548)
"German Eugenics in Practice," by Eliot Slater, Eugenics Review (vol. 27:4), ambivalent review of sterilization and marriage laws, multiple pages (#1862)
"German-Irish mixture," composite portrait in the style of Franics Galton (#1030)
"Half-breeds in North America" (#1005)
"Harvard scientist wants married couples bonded," by Sam Smith, Boston Sunday Post (#271)
"Hawaiian, and Hawaiian hybrids", multiple pages (#577)