Inner London Education Authority, 'The Education of Immigrant Pupils in Primary Schools', Report of the Inspectorate and School Psychological Service, London, I.L.E.A.959.
2.
Conrad Graham, Paper delivered to Bristol Conference of Educational Psychology Division of British Psychological Society, January1969.
3.
P.E. Vernon.Intelligence and Cultural Environment (London, Methuens, 1969).
4.
Arthur R. Jensen .'How Much can we Boost I.Q. and Scholastic Achievement' , Harvard Educational Review (Vol. 39, no. 1, Winter 1968 ).
5.
Audrey M. Shuey.The Testing of Negro Intelligence (Lynchberg, Va ., Bell, 1958).
6.
William F. Brazziel.'A Letter from the South', Harvard Educational Review (Vol. 39, no. 2, Spring 1969).
7.
Jerome S. Kagan . 'Inadequate Evidence and Illogical Conclusions ', Harvard Educational Review (Vol. 39, no. 2, Spring 1969).
8.
J McV.Hunt. 'Has Compensatory Education Failed? Has it Been Attempted?' Harvard Educational Review (Vol. 39, no. 2, Spring 1969).
9.
James F. Crow , 'Genetic Theories and Influences. Comments on the Values of Diversity', Harvard Educational Review (Vol. 39, no. 2, Spring 1969).
10.
Carl Bereiter.'The Future of Individual Differences', Harnard Educational Review (Vol. 39, no. 2, Spring 1969).
11.
David Elkind.'Piagetian and Psychometric Conceptions of Intelligence' , Harvard Educational Review (Vol. 39, no. 2, Spring 1969 ).
12.
Lee J. Cronbach .'Heredity, Environment and Educational Policy' , Harvard Educational Review (Vol. 39, no. 2, Spring 1969).
13.
Charles Edward Spearman and Wynn Jones.Human Ability (London, Macmillan, 1950).
14.
Cyril Burt.'The Inheritance of Mental Ability', The American Pschologist (No. 13, 1958) pp. 1-15; and 'Mental Capacity and Its Critics', Bulletin ( British Psychological Society, no. 21, 1968), pp. 11-18.
15.
Scottish Survey of 1947 (Edinburgh, Scottish Office, 1951).