Pedigrees
117 objects illustrate this topic:

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Pedigree for feeblemindedness (#369)
"Pedigree of a neurotic ..." (#1007)
"Pedigree of color blindness" (#999)
"Pedigree of family with color blindness. (Sex limited)." (#1010)
"Pedigree of Galton-Darwin-Wedgwood family," 3rd International Eugenics Conference (#1061)
"Pedigree of Musical Capacity," Eugenics Record Office form including instructions to test sense of pitch, intensity, time, consonance, tone, rhythm, multiple pages (#1738)
Pedigree of red hair family (#828)
"Pedigree of the Caesars" (#582)
"Pedigree of the Caesars," about the close relatedness of the Caesars (#1004)
Pedigree of the Counts Tolstoy (#292)
Pedigree of the W-- family of Indiana, a degenerate family in which one member was sterilized (#293)