Preparation of mentally retarded youth for gainful employment : a study sponsored jointly by the U.S. Office of Education, the U.S. Office of Vocational Rehabilitation, and the Project on Technical Planning of the American Association of Mental Deficiency
Office of Education: Romaine P. Mackie ... and Harold M. Williams ... ; Office of Vocational Rehabilitation: Donald H. Dabelstein ... and Joseph M. LaRocca ... ; Project on Technical Planning, American Association on Mental Deficiency: Rick F. Heber ..
"U.S. Department of Health, Education, and Welfare, Arthur S. Flemming, Secretary. Office of Education, Lawrence G. Derthick, Commissioner. Office of Vocational Rehabilitation, Mary E. Switzer, Director."