Presented are the reports of 22 federal departments and agencies on their programs related to mental retardation. The review of governmental programs is seen as a needed first step toward mobilization of the full federal potential in coordinating efforts in the gamut of problems of mental retardation. The departments and agencies covered include Agriculture, Commerce, Defense, Health, Education, and Welfare, Housing and Urban Development, Interior, Justice, Labor, State, Transportation, Treasury, ACTION, Appalachian Regional Commission, Civil Service Commission, General Services Administration, National Aeronautics and Space Administration, National Science Foundation, President's Committee on Employment of the Handicapped, President's Council on Physical Fitness and Sports, Small Business Administration, U.S. Postal Service, and Veterans Administration. General kinds of information provided in each section, where applicable, are a statement of purpose, organization, services provided, and thrust of the program with respect to the mentally retarded. (CB)