"Gateway to US government statistical resources from more than 100 federal agencies. Searchable and browsable by topic, originating agency, or locality. Includes links to free statistical databases, access tool, and other data sites."
"The American Presidency Project (americanpresidency.org), was established in 1999 as a collaboration between John Woolley and Gerhard Peters at the University of California, Santa Barbara. Our archives contain 87,758 documents related to the study of the Presidency."
"As the official handbook of the Federal Government, the United States Government Manual provides comprehensive information on the agencies of the legislative, judicial, and executive branches. It also includes information on quasi-official agencies, international organizations in which the United States participates, and boards, commissions, and committees."