library of congress nation s library national library catalog copyright office american memory global gateway exhibitions america s library thomas national digital preservation program researchers librarians teachers today in history poetry poet laureate digital images maps motio
Opis:
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.