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 College London
The UCL library system comprises 17 libraries located across several sites within the main UCL campus and across Bloomsbury, linked together by a central networking catalogue and request system called Explore. The libraries contain a total of over 2 million books. The largest library is the UCL Main Library, which is located in the UCL Main Building and contains collections relating to the arts and humanities, economics, history, law and public policy. The second largest library is the UCL Science Library, which is located in the DMS Watson Building on Malet Place and contains collections relating to anthropology, engineering, geography, life sciences, management and the mathematical and physical sciences. The Cruciform Hub contains books and periodicals in the subjects of clinical medicine and medical science. It holds the combined collections of the former Boldero and Clinical Sciences libraries which developed within the Middlesex Hospital, University College Hospital and Royal Free & University College Medical Schools up until their merger in 2005. Other libraries include the UCL Bartlett Library (architecture and town planning), the UCL Eastman Dental Institute Library (oral health sciences), the UCL Institute of Archaeology Library (archaeology and egyptology), the UCL Institute of Education's Newsam Library (education and related areas of social science), the UCL Institute of Neurology Rockefeller Medical Library (neurosurgery and neuroscience), the Joint Moorfields Eye Hospital & the UCL Institute of Ophthalmology Library (biomedicine, medicine, nursing, ophthalmology and visual science), the UCL Language & Speech Science Library (audiology, communication disorders, linguistics & phonetics, special education, speech & language therapy and voice) and the UCL School of Slavonic and East European Studies Library (the economics, geography, history, languages, literature and politics of Eastern Europe).