Arrangement by state. Each entry provides address and telephone contacts, when open, copying facilities, collection subjects, and their holdings. A Guide to the Literature . American Library Association, 1986. History has one chapter in excellent guide.
Annotated sections furnish a topical listing of basic works.
Excellent as a source of key journals, societies, and series for historical research. Winton, Harry N.M., comp. The guide is first arranged by organization. For each entry there is a statement of purpose, list of key publications, and availability sources. A second section furnishes an annotated, topical approach to key reference sources.