Intellectual talent, research and development : proceedings of the Sixth Annual Hyman Blumberg Sympo

Hyman Blumberg Symposium on Research in Early Childhood Education (6th : 1974 : Johns Hopkins University)
Baltimore : Johns Hopkins University Press, [1976]

Mathematical talent: discovery, description, and development; proceedings.

Hyman Blumberg Symposium on Research in Early Childhood Education (3rd : 1973 : Johns Hopkins University)
Baltimore : Johns Hopkins University Press, [1974]