Contains the proceedings of the Third National Conference on Population Library and Information Services held in Chapel Hill, North Carolina, May 14-15, 1970. Under the joint sponsorship of the Carolina Population Center and the Population Council of New York, this was the third in a series of annual conference/workshops devoted to library and information needs and services in the population/family planning field. Part 1 has a summary report, list of participants, and conference agenda. Part 2 reports a panel discussion, "Information Resources and Population/Family Planning Needs," by four editors of abstracting journals in the social and behavioral sciences. Part 3 quotes three papers delivered during general sessions: "Building and Maintaining a Classified Catalogue" by Dan Wood; "Family Planning/Population Library and Information Services: Suggested Directions for the Future" by Jery Kilker; and "The Extramural Program of NLM" by Ann Kaufman. In Part 4 the working committee reports on new libraries, interlibrary exchange, subject indexing, and census materials. Appendices offer summary reports for the subject classification workshop, World Health Organization, 1969-70 steering committee, and first and second national workshop proceedings. (BL)