ProQuest Congressional Digital Collection Indexes information produced by or related to the U.S. Congress, from 1789 to the present. Provides full text for many documents, generally from the early 1990s to the present. Includes full text of Congressional Research Service reports (1916 to present), full text of Congressional hearings (1824-2003), full text of Committee Prints (1830-2003), and full text of the Serial Set Collection with maps (1789-1969). A complete description of contents, coverage, and update frequency is available via the Online Help section.