Thought in the young child report of a conference on intellective development with particular attention to the work of Jean Piaget
Kessen, William.
Kuhlman, Clementina.
Chicago London University of Chicago Press
1970
Originally published, Lafayette: Child Development Publications, 1962
'... an account of the... conference held over the weekend of April 29, 1960, in Dedham, Massachussets'- Introduction
bibl p141-146
Piaget, Jean, 1896-1980.
Child study.
Concepts.