The Library of Congress is the research hub for the U.S. Congress in addition to being the largest library in the world. Founded in 1800, it holds countless items within its collection, many of which are available to view online. Being such a mainstay of the American and global library community, it holds much influence over how collections are brought together, cataloged, and processed. Thus, many institutions rely on their guidance and experience to inform how they conduct themselves. Explore their collection and find more information here.