TY - BOOK AU - Braddock,David L. TI - Federal policy toward mental retardation and developmental disabilities AV - RC570.5.U6 B73 1987 PY - 1987/// CY - Baltimore PB - P.H. Brookes KW - Mental retardation KW - Government policy KW - United States KW - Developmental disabilities N1 - Includes index; Bibliography: p. 189-194 ER -