List of the largest libraries in the United States
The largest public library in the United States—and the largest library in the world—is the Library of Congress in Washington, D.C., which is the "de facto" national library of the United States. It holds more than 167 million items, including "more than 39 million books and other printed materials, 3.6 million recordings, 14.8 million photographs, 5.5 million maps, 8.1 million pieces of sheet music and 72 million manuscripts." Other than the Library of Congress, the largest public library in the United States is the New York Public Library, while the largest research library in the United States is the Harvard Library.
University of Michigan Library
The University of Michigan Library ranks as the sixth largest library in the United States. As of 2014–15, the University Library contained more than 12.8 million volumes, while all campus library systems combined held more than 13.8 million volumes. The Library also held 136,810 current serials, and over 4.42 million annual visits.