Subject Guide to U.S. Government Reference Sources

Revised and updated this compendium helps readers identify and understand the scope of key government reference sources-traditional books (including publications catalogs and telephone directories); information clearinghouses; and materials in new formats such as CD-ROMs datafiles and Internet sites. The authors focus on free information and depository materials-both readily available through toll-free phone numbers mail or e-mail requests to agencies or federal depository library collections. Materials are fully described in annotations that differentiate between similar materials identify typical citation formats and note common abbreviations