Contains materials pertaining to Gerda G. Fillenbaum's involvement with the development and use of the Older Americans Resources and Services Program (OARS), involvement with the Consortium to Establish a Registry for Alzheimer's Disease (CERAD), and involvement with miscellaneous projects. Types of materials include correspondence, questionnaires, order forms, manuals, receipts, reprints, reports, drafts, notes, publications, maps, and user lists. Materials date from 1972 to 2012.