Updates and extends the biological sciences coverage of A directory of information resources in the United States: physical sciences, biological sciences, engineering, issued in 1965 by the Center under its earlier name: National Referral Center for Science and Technology.
2230 organizations, government agencies, research institutes, libraries, and museums. Also covers education, recreation, and business activities. Alphabetical arrangement by names. Numbered entries include name, address, telephone number, areas of interest, holdings, publications, and information services. Cross references. Subject index with references to entry numbers.