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- [24] THE INTELLIGENCE AND ACHIEVEMENT OF SOUTHERN NEGRO CHILDREN SCHOOL AND SOCIETY, 1930, 32 (822): : 431 - 435
- [26] The Will-Temperament of white and negro children PEDAGOGICAL SEMINARY AND JOURNAL OF GENETIC PSYCHOLOGY, 1930, 38 (1-4): : 91 - 100
- [28] A COMPARATIVE STUDY OF THE INTELLIGENCE OF WHITE AND COLORED CHILDREN JOURNAL OF EDUCATIONAL RESEARCH, 1920, 2 (05): : 838 - 848