free educational games startups

Free Teacher Resources Digital textbooks and standards-aligned educational resources

Free elementary, middle and high school teacher resources, including puzzlemaker, student games and activities and lesson plans.

Library of Congress Home

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.

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