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MR report of the President's Committee on Mental Retardation.

United States. President's Committee on Mental Retardation.
[Washington, D.C.] : President's Committee on Mental Retardation : For sale by the Supt. of Docs., U.S. G.P.O., 1967-1979. 1978

Report to the President

United States. President's Committee on Mental Retardation.
Washington, D.C. : U.S. Dept. of Health and Human Services, Office of Human Development Services 1999