February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.

Contains biographies of Senators, members of Congress, and the Judiciary. Also includes committee assignments, maps of Congressional districts, a directory of officials of executive agencies, addresses, telephone and fax numbers, web addresses, and other information.

Identifies some 1,700 works about African Americans. Entries include full bibliographic information as well as Library of Congress call numbers and location in 11 major university libraries. Entries are arranged by subjects such as art, civil rights, folk tales, history, legal status, medicine, music, race relations, and regional studies. First published in 1970 by the Library of Congress.