Proceedings of the Child conference for research and welfare.

1st conference held at Clark university in connection with the celebration of its twentieth anniversary July 6-10, 1909; 2d. held at Clark university, June 28-July 2, 1910.

Alternative energy in the Midwest : research and applications : conference proceedings, February 21-23, 1985, Schaumburg, Illinois /

Includes bibliographical references and index.

Population psychology : research and educational issues /

Includes bibliographies and index.

Population psychology : research and educational issues /

Includes bibliographies and index.