Included are a list and brief description of Research and Development Centers supported by the Federal Government as of June 30, 1969. The directory reports are arranged alphabetically by agency within the major subordinate echelons and include Federally Funded Research and Development Centers, except those funded by the Department of Health, Education, and Welfare (Office of Education). The other categories include Agriculture, Atomic Energy Commission, Justice, Commerce, Defense, Federal Communications Commission, Federal Trade Commission, Department of Interior, National Aeronautics and Space Administration, National Science Foundation, Post Office, Smithsonian Institution, Tennessee Valley Authority, Transportation, Treasury, and Veterans Administration. The information on each center is limited and covers address, number of personnel, funding, major functions and activities, major equipment, and publications. (PS)