The descriptions are taken from the United States Government Manual.
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.
United States Government Manual
The online version of the manual begins with the 1995-1996 edition. 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. The Manual begins with reprints of the Declaration of Independence and the U.S. Constitution.