TThis database is the U.S. Government Printing Office (GPO) created by the U.S. Government Publications Agency and covers a variety of U.S. government documents since 1976, including U.S. Congress reports, hearings, debates, records, and justice data and documents issued by the administrative departments (Department of Defense, State Department, President's Office, etc.). Each record contains a bibliographic citation, with more than 660,000 records. The database is updated once a month.