The U.S. Government Manual's page of the agencies that are within each government branch.
If you would like to learn about the structure of the government in a fun way, Ben's Guide to Government Documents is also a great resource.
Here is a link to Ben's Guide Infographic for the Three Branches of Government.
Federal News Network is the key source of breaking news, information and analysis for the people who support the missions of federal agencies. Federal News Network addresses federal agency managers, policy makers and contractors.
Government data and resources are uniquely useful to researchers and other library users. But without a roadmap, sifting through the sheer quantity of information to find the right answers is foolhardy.
Whether used as a text for library and information science students, as a resource for professional librarians needing to access the information produced by or for the federal establishment, or as a guide for researchers, this acclaimed title is an essential resource and a valuable tool guiding readers through the vast and constantly changing terrain of government information in print and electronic forms.
Managing and providing access to the ever-expanding wealth of electronic government information now available presents a significant challenge for librarians, even those who are government documents specialists.
"The 1949 edition has extensive indexes and is almost encyclopedic in its approach, covering the history, organizations, duties, and major publications of each agency."
Hartnett, Cassandra J., Eric J. Forte, and Andrea Sevetson. Fundamentals of Government Information: Mining, Finding, Evaluating, and Using Government Resources. 2nd ed. Chicago, IL: ALA Neal-Schuman, an imprint of the American Library Association, 2016.
This is the resource of choice for discriminating researchers and scholars, and for the librarians who assist them. Using Government Information Sources covers the many changes in accessing and using this material, including information sources available on the Internet, online databases, electronic bulletin boards, CD-ROM products and diskettes, and telephone hotline numbers.
A regularly updated special edition of the Federal Register, it includes leadership tables and describes agency activities and programs of the executive, judicial, and legislative branches of Government, as well as activities and programs of quasi-official agencies and international organizations in which the United States participates as a member.
MetaLib is a service of the Catalog of U.S. Government Publications (CGP)! MetaLib is a federated search engine that searches multiple U.S. Federal government databases, retrieving reports, articles, and citations while providing direct links to selected resources available online.