This invaluable reference contains maps and tables that depict the boundaries and geographic relationships of the 110th congressional districts. The maps are presented on the national and state level, and they detail the districts of the 110th Congress, as well as the nonvoting delegate districts, including the District of Columbia. The state-based tables show the relationship between the congressional districts and counties or county equivalents.

The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)