CDC is the nation’s leading science-based, data-driven, service organization that protects the public’s health. Useful research sections are Data and Stats and Publications. There is also a search box.
The National Archives and Records Administration (NARA) is the nation's record keeper. Of all documents and materials created in the course of business conducted by the United States federal government, only 1%-3% are so important for legal or historical reasons that they are kept by us forever. Find items such as America's founding documents, veteran's service records, and immigration records.
The Library of Congress is the largest library in the world, with millions of books, films and video, audio recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office. Digital collections include items such as historic political cartoons, presidential speeches and interviews with former slaves.
GovInfo provides free public access to official publications from all three branches of the Federal Government. The A to Z Browse list can help you find documents such as the Civil Rights Act of 1964, Presidential Inaugural Addresses, and Executive Orders.