The Library of Congress is the nation's oldest federal cultural institution and serves as the research arm of Congress. It is also the largest library in the world, with millions of books, recordings, photographs, maps and manuscripts in its collections. The Library’s mission is to support the Congress in fulfilling its constitutional duties and to further the progress of knowledge and creativity for the benefit of the American people.

Congress.gov is the official website for U.S. federal legislative information. The site provides access to accurate, timely, and complete legislative information for Members of Congress, legislative agencies, and the public. It is presented by the Library of Congress (LOC) using data from the Office of the Clerk of the U.S. House of Representatives, the Office of the Secretary of the Senate, the Government Publishing Office, Congressional Budget Office, and the LOC’s Congressional Research Service.

The House of Representatives on-line. Here you will find House schedules, Representative’s e-mail addresses, and much more.

The Senate on-line. Here you will find information on each U.S. Senator including e-mail addresses and much more.

The center for the Executive Branch, with links to the President, News, Vice President, History, Tours, etc.

Defense.gov is the official Website for the Department of Defense and the starting point for finding U.S. military information online. The mission of Defense.gov is to support the overall mission of the Department of Defense by providing official, timely and accurate information about defense policies, organizations, functions and operations. Also, Defense.gov is the single, unified starting point for finding military information online.

The Department of Homeland Security has a vital mission: to secure the nation from the many threats we face. This requires the dedication of more than 240,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analyst to chemical facility inspector. Our duties are wide-ranging, and our goal is clear—keeping America safe.

Alerts provide timely information about current security issues, vulnerabilities, and exploits.

The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance.

The NVD includes databases of security checklist references, security related software flaws, misconfigurations, product names, and impact metrics.