1. Physical differences between white and colored children Author(s): Hrdlička, Aleš, 1869-1943, author Publication: Washington, D.C. : Judd & Detweiler, printers, 1898 Subject(s): European Continental Ancestry GroupAfrican Continental Ancestry GroupAnthropometryEthnic GroupsChildUnited States
2. A little black boy with a brace on one leg hoes in a field Publication: [193-?] Subject(s): African Continental Ancestry GroupChild
3. [Providing oral polio vaccine to children in Africa] Publication: 1982 Subject(s): Poliovirus Vaccine, Oral -- administration & dosageAfrican Continental Ancestry GroupChildPoliomyelitis -- prevention & controlVaccinationAfrica
4. [Staff physician of the WHO vaccinates a youngster against smallpox by means of a jet injector] Publication: 1970 Subject(s): Smallpox -- prevention & controlAfrican Continental Ancestry GroupChildVaccinationAfrica