R. Klaus

The early training project for disadvantaged children: a report after five years.

R. Klaus, S. Gray, 1968, Monographs of the Society for Research in Child Development.

The early training project: a seventh-year report.

R. Klaus, S. Gray, 1970, Child development.

From 3 to 20: The early training project

R. Klaus, S. Gray, B. Ramsey, 1982 .

AN EXPERIMENTAL PRESCHOOL PROGRAM FOR CULTURALLY DEPRIVED CHILDREN. ANNUAL MEETING OF THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE (MONTREAL, DECEMBER 29, 1964).

R. Klaus, S. Gray, 1964 .

An experimental preschool program for culturally deprived children.

R. Klaus, S. Gray, 1987, Child development.

The assessment of parental identification.

R. Klaus, S. Gray, 1956, Genetic psychology monographs.

EARLY TRAINING PROJECT. INTERIM REPORT.

R. Klaus, S. Gray, 1963 .