Reported are the results of a one-year planning and demonstration project of the Dallas Public Library that developed special information services for social agency personnel working with the aging. Progression of the project, from the surveyed assessment of the information needs of the specific group of 415 social workers through the planning and implementation processes, is detailed. Cost figures and the feedback on the relevancy of information dissemination modes to the service providers' information needs are presented. Recommendations are included. Appendices provide samples of survey and record maintenance forms and dissemination publications created for the project. (Author/JD)