AwesomeStories is a gathering place of primary-source information. Its purpose - since the site was first launched in 1999 - is to help educators and individuals find original sources, located at national archives, libraries, universities, museums, historical societies and government-created web sites.
ConSource is a free online library of constitutional history. We digitize and cross-reference source documents written by individuals who drafted, ratified, and influenced the creation of the U.S. Constitution and its Amendments. We also run programs and host events that make use of constitutional sources.
More than 1600 federal teaching and learning resources organized by subject: art, history, language arts, math, science, and others -- from FREE, the website that makes federal teaching and learning resources easy to find.
The Library of Congress. The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.