The Library of Congress is the largest library in the United States containing more than 38 million books. With parts of the collection spanning over 430 languages.
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Main Reading Room at the Library of Congress
Twice a year the Library of Congress opens the main reading room up to the public to explore. This gives you the ability to explore the main reading room and even enter record keeping rooms. The reading room is typically open to the public on Memorial Day and Presidents’ Day.