共 50 条
- [2] A COMPARATIVE STUDY OF THE INTELLIGENCE OF WHITE AND COLORED CHILDREN JOURNAL OF EDUCATIONAL RESEARCH, 1920, 2 (05): : 838 - 848
- [4] A comparative study of susceptibility to diphtheria in the white and negro races AMERICAN JOURNAL OF HYGIENE, 1934, 19 (03): : 734 - 748
- [5] Some differences in responses to atropine in white and colored races JOURNAL OF LABORATORY AND CLINICAL MEDICINE, 1921, 7 : 104 - 108
- [6] A comparative study of syphilis in colored and in white women, with menial disorder ARCHIVES OF NEUROLOGY AND PSYCHIATRY, 1924, 12 (02): : 198 - 205
- [7] A COMPARATIVE STUDY OF WHITE AND COLORED PUPILS IN A SOUTHERN SCHOOL SYSTEM ELEMENTARY SCHOOL JOURNAL, 1930, 31 (02): : 111 - 119
- [9] Intelligence levels and school achievement of the white and the colored races in the United States PEDAGOGICAL SEMINARY, 1923, 30 (01): : 69 - 86