The official online versions of select Executive Branch publications. Coverage is generally from the 1990s to the present.
The U.S. Government Manual: A publication of the Executive Branch of the federal government
"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."