TY - BOOK AU - Grotberg,Edith Henderson,1923- ED - Project Head Start (U.S.) TI - Critical issues in research related to disadvantaged children PY - 1969/// CY - N.J PB - Educational Testing Service : Princeton KW - Socially handicapped children KW - Research KW - United States KW - Congresses N1 - 'Proceedings of six Head Start research seminars held under OEO contract, 4098.'; Includes bibliographical references ER -