The 7th Edition of the Directory of Curriculum Materials Center and Collections was compiled by the Curriculum Materials Centers Directory Ad Hoc Committee for the Education and Behavioral Sciences Section of the Association of College and Research Libraries, a Division of the American Library Association. It contains data from 161 institutions which have either a curriculum materials center or collection in the United States and Canada. Data includes information about the size of the collection, types of materials collected, budgets, staffing, etc. There are numerous appendices that aggregate the data provided.