Anastasi, A.& D'Angelo, R. A comparison of Negro and white preschool children in language development and Goodenough Draw-a-Man I.Q. J. genet. Psychol. , 1952, 81, 147-65.
2.
Ausubel, D. P. How reversible are the cognitive and motivational effects of cultural deprivation? Implications for teaching the culturally deprived child. Urban Educ., 1964, 1, 16-38.
3.
Beckey, R. E. A study of certain factors related to retardation of speech. J. speech Disorders, 1942, 7, 223-49.
4.
Bereiter, C. & Engelmann, S.Teaching disadvantaged children in the preschool. Engelwood Cliffs, N.J.: Prentice-Hall, 1966 .
5.
Bernstein, B.Language and social class. Brit. J. soc. clin. Psychol. , 1960, 11, 271-6.
6.
Bernstein, B.Elaborated and restricted codes: Their social origins and some consequences . Amer. Anthropol., 1964, 66, 1-34.
7.
Cazden, C.B.Some views on subcultural differences in child language. Unpublished manuscript prepared for U.S. Office of Education Grant OE 5-10-239 , Cambridge, Mass., 1966 .
8.
Coleman, J.S.Equality of educational opportunity. Report of U.S. Dept. Health, Education, and Welfare, Superintendent of Documents Catalog No. FS 5.238: 38001. Washington, D.C.: U.S. Government Printing Office, 1966.
9.
Deutsch, M.Role of social class in language development and cognition. Amer. J. Orthopsychiat., 1965, 35, 78-88.
10.
Gussow, Joan.Language development in disadvantaged children. Bulletin, Information Retrieval Center on the Disadvantaged, 1965, 1, (5).
11.
Irwin, O. C. Infant speech. The effect of family occupational status and of age on use of sound types. J. speech hearing Disorders, 1948, 13, 224-6.
12.
Lesser G.S., Fifer, G. & Clark, D.H.Mental abilities of children from different social class and cultural groups . Monogr. Society Res. Child Develpm., 1965 , 30, 1-114.
13.
Loban, W.D.The language of elementary school children. Research Report No. 1. Champaign, Ill.: National Council of Teachers of English , 1963.
14.
Stodolsky, S.S. & Lesser, G.S.Learning patterns in the disadvantaged. Presented at conference on Bio-Social Factors in the Development and Learning of Disadvantaged Children, New York, 1967.
15.
Templin, M.C.Certain language skills in children. Minneapolis : Univ. Minnesota Press, 1957.
16.
Thomas, D.A.Oral language, sentence structure and vocabulary of kindergarten children living in low socioeconomic urban areas. Unpublished doctoral dissertation , Wayne State University, Detroit, Mich., 1962.
