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United States. Bureau of Labor Statistics.
Institute of Forest Genetics (U.S.)
Ames Research Center Conference on Portable Life Support Systems 1971.
United States. President's Committee on Mental Retardation.
United States. 92d Congress, 2d session, 1972.
United States. Congress. House. Committee on Internal Security.
United States. Congress. House. Committee on Foreign Affairs. Subcommittee on National Security Policy and Scientific Developments.
United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor.
United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Education.
United States. Office of Mental Retardation Coordination.
Dow Chemical Company.