Dunn, L. M. Peabody Picture Vocabulary Test. American Guidance Service, 1959.
2.
Erikson, E. H.Childhood and society. (2nd ed.) New York: Norton, 1963.
3.
Freud, A.Normality and pathology in childhood. New York: International Universities Press, 1965.
4.
Kirk, S., McCarthy, J. & Kirk, W.Illinois Test of Psycholinguistic Abilities. (Rev. ed.) Urbana: University of Illinois Press, 1968.
5.
Kohn, M. & Silverman, H.Competence scale and symptom checklist for preschool children. Unpublished manuscript, William Alanson White Institute, New York, 1966.
6.
Lunzer, E. A.Intellectual development in the play of young children. Educational Review, 1959, XI, 205–24.
7.
Meier, J. H.Innovations in assessing the disadvantaged child's potential. In J. Hellmuth (Ed), The Disadvantaged Child. Vol. 1. New York: Brunner/Mazel, 1969. Pp. 173–99.
8.
Piaget, J.Play, dreams, and imitation in childhood. New York: Norton, 1951.
9.
Terman, L. M. & Merrill, M. A.Stanford-Binet Intelligence Scale: Manual for the third revision, form L-M. Boston: Houghton-Mifflin, 1960.
10.
White, B. L.Moment-to-moment tasks of young children. Symposium presented at Society for Research in Child Development, Santa Monica, Calif., 1969. (a)
11.
White, B. L.An overview of the project. Symposium presented at Society for Research in Child Development, Santa Monica, Calif., 1969. (b)
12.
White, R. W.Motivation reconsidered: The concept of competence. Psychological Review, 1959, 66, 297–333.
13.
White, R. W.Ego and reality in psychoanalytic theory. Psychological Monographs, 1963, 11, 3.
