1. How race affects IQ;Watson;New Society,1970
2. Developmental screening of preschool children: A critical review of inventories used in health and educational programs;Thorpe;Pediatrics,1973
3. Comparisons of mental and motor test scores for ages 1–15 months by sex, birth, order, race, geographical location, and education of parents;Bayley;Child Dev,1965
4. Social class level and stimulation-potential of the home. Exceptional infant—The normal infant;Caldwell,1967
5. Social class and cognitive development in infancy;Golden;Merrill-Palmer Quart,1968