USA.Gov Government Made Easy Your First Click to the U.S. Government is a comprehensive gateway to the Internet sites of both Federal and State governments.
Federal Executive Branch “Official information and services from the U.S. government.”
The Public Debt “Welcome to the Government Section of TreasuryDirect ®” You can learn the US Public Debt to the penny; the site includes information, through the "FAQ" link, on where to send your check if you would like to make a contribution to reduce the public debt.
Constitution of the United States of America; analysis and interpretation Under "The" in the listing. PDF files.An "annotated Constitution;" we have also in paper: (Ref KF 4527 K54 Ready Reference).
Founders Constitution Primary documents that illuminate the ideas that formed the Constitution in 1789.
FedWorld.gov "...the online locator service for a comprehensive inventory of information disseminated by the Federal Government." Use the Sitemap tab.
Congressional Research Reports "The Congressional Research Service, a component of the Library of Congress, conducts research and analysis for Congress on a broad range of issues of national policy. While many CRS memoranda are generated in response to individual Member or staff inquiries and are confidential, most CRS reports are available to anyone who has access to a congressional intranet."
GPO This US site provides similar access to the Federal Register, The Budget of the US Government, Economic Report of the President, Congressional Record, and the US Code (USC).
OpenSecrets.org; Center for Responsive Politics "OpenSecrets.org is your nonpartisan guide to money’s influence on U.S. elections and public policy." That is, who gives how much to who.