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. Experimental study of children: including anthropometrical and psycho-physical measurements of Washington school children, and a bibliography Author(s): MacDonald, Arthur, 1856-1936 Publication: Washington : G.P.O., 1899 Subject(s): AnthropometryChild DevelopmentChildDistrict of Columbia