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 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.
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Free to Use and Reuse: Flags & Symbols of the United States

In recognition of American Independence Day, also known as the Fourth of July, this selection of rights-free images showcases a variety of national symbols and flags from ancient times to the present day. Representing the rich cultures and diverse landscapes of the United States, all images are from the Prints & Photographs Division unless otherwise noted.

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