Pedigrees
117 objects illustrate this topic:

 Page: of 12 
Hemophilia pedigree by Dr. Bess Lloyd (#289)
"Hereditary Cerebellar Ataxia," pedigree of an autosomal dominant disorder (#1699)
Heredity of harelip and cleft palate (#566)
"Homokak Family: A Nut Study," pedigree parody by Eugenics Record Office Field Worker Training Class of 1923, multiple pages (#1671)
"Hovel Type of Source of Defectives," pedigree of epilepsy and feeblemindedness (#1697)
"Human pedigrees detailing inheritance of specific biological traits: Inheritance of musical talent," Eugenics Section, American Breeders Association (#84)
Huntington's chorea pedigree (#1008)
Hypothetical pedigree of feeblemindedness, illustrating "good" and "bad" strains (#1700)
Record of Family Faculties, by Francis Galton (compiled with completed family pedigree forms) (#2074)
Record of Family Faculties, by Francis Galton (compiled with completed family pedigree forms), selected pages, multiple pages (#2051)
The Kallikak Family: A Study in the Heredity of Feeble-Mindedness, by Henry Herbert Goddard, selected pages, multiple pages (#1455)