00782cam a22002411 4500 hew59000025 DLC 20260227111509.0 820626s1959 xx a 000 0 eng hew59000025 (OCoLC)14623873 DLC DNLM FU-L OCoLC DLC HQ773.7 .D5 W1 UN6181 no.374 1959 371.92 Dittmann, Laura L. The mentally retarded child at home; a manual for parents. [Washington] U.S. Children's Bureau [1959] iv, 99 p. ill. United States. Children's Bureau. Publication no. 374 Children with mental disabilities. Bureau publication (United States. Children's Bureau) ; no. 374. 34195 34195