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. The Manual begins with reprints of the Declaration of Independence and the U.S. Constitution.
Another search technique if you are unfamiliar with government information or what department or agency would deal with your topic is to search usa.gov. Usa.gov is the home page of the US Government's Official Web Portal for all government transactions, services, and information. It provides direct online access to official information and services from the U.S. government. Click on the logo below to search USA.gov:
A large percentage of government information is available online directly from the federal and state agencies and departments.
If you know the agency or department involved in your area of research, you can search the agency's website directly. If you're not sure where to begin, try the search tricks below:
In Google, you can use this search technique. Enter "site.gov" + keyword(s). This will search for your keyword(s) on all sites that have the domain .gov.
You also have the ability to search within a particular website. For example, search for "ebola statistics" with the Centers for Disease Control and Prevention website.