Contains correspondence, memoranda, reports, talks, drafts, reprints and printed matter pertaining to the child development movement. Among the organizations and conferences represented are the Gesell Clinic, the Yale University Child Study Center, the Cornell-N. Y. Hospital Institute of Child Health, the World Health Organization and the 1940 White House Conference. A sizable portion of the correspondence and reprints pertain to individual projects and publications.

Interviews of significant researchers and public figures from the 1970s era of the child development movement.