what is the largest library in the united states
List of the largest libraries in the United States The largest public library is the Library of Congress in Washington, D.C. (the de facto national library of the United States), with 34,528,818 volumes.[2] The largest academic library is the Harvard University Library, with 16,832,952 volumes.[3] The largest library outside of the contiguous United States is the Hawaii State Public Library System, the statewide public library system of Hawaii, with 3,776,405 volumes,[4] while the largest academic library outside the contiguous United States is the University of Hawaii at Manoa Library, with 3,602,058 volumes.[3]