This reference book provides the latest information about the vast collections of U.S. and overseas federal libraries. The nearly 2,300 entries have been updated, and 123 new entries have been added. Entries include details such as the name of the library administrator, type of library, number of staff, size of collection, special subjects and special collections, depository library designation, contract status, automated operations and types of retrieval systems, CD-ROM equipment, availability of library services and how to access them, fax policy, and library publications. The libraries covered in this directory range from the Library of Congress and the Smithsonian Institution's libraries to the National Agricultural Library and National Park libraries. Military base libraries are also listed, in addition to academic libraries, government libraries, and several presidential libraries. Law, health and medicine, hospital, penal, training center, and school Indian reservation libraries are also included. This updated 3rd edition includes e-mail addresses, World Wide Web sites, and Telnet/dial-up instructions to reflect the age of electronic access and communications. Geographic information facilitates easy location of libraries on military bases. Indices include libraries arranged by name, by type, a geographic index, and a cross-referenced subject index. (Author/SWC)