Naxos Digital Services US 22,366 National Bureau of Economic Research 17,258 NetLibrary, Inc 12,727 National Science Foundation (U.S.) 10,225 National Institute of Standards and Technology (U.S.) 6,290 National Center for Education Statistics 6,242 New York (State) 5,823 National Institutes of Health (U.S.) 5,007 New York Philharmonic 4,788 National Center for Health Statistics (U.S.) 4,557 National Institute of Education (U.S.) 4,147 Nettoadobansu 3,871 National Research Council (U.S.) Transportation Research Board 3,870 National Institute of Justice (U.S.) 3,561 National Cancer Institute (U.S.) 3,346 New York Public Library 2,943 North Atlantic Treaty Organization Scientific Affairs Division 2,796 New York (N.Y.) Landmarks Preservation Commission 2,781 National Institute of Mental Health (U.S.) 2,727 Nielsen, Carl, 1865-1931 2,726 NASA Glenn Research Center 2,712 National Institute for Occupational Safety and Health 2,694 Northeastern Forest Experiment Station (Radnor, Pa.) 2,502 National Film Board of Canada 2,490 National Renewable Energy Laboratory (U.S.) 2,445 Noa Eshkol Archive (Holon, Israel) 2,404 Netherlands 2,352 National Industrial Conference Board 2,248 Nick Malgieri Culinary Archive and Library (University of Pennsylvania) 2,240 New Philharmonia Orchestra 2,217 Naḥman, of Bratslav, 1772-1811 2,216 Nietzsche, Friedrich Wilhelm, 1844-1900 2,165 National Gallery of Art (U.S.) 2,094 National Academy of Sciences (U.S.) 2,081 New Video Group 1,996 National Institute on Drug Abuse 1,856 New Jersey 1,808 National Research Council (U.S.) 1,764 New York (State) Supreme Court 1,742 National Association for the Advancement of Colored People 1,736 National Institute of Law Enforcement and Criminal Justice 1,723 New York Academy of Sciences 1,712 National Agricultural Library (U.S.) 1,711 NBC Symphony Orchestra 1,693 North Central Forest Experiment Station (Saint Paul, Minn.) 1,688 National Library of Medicine (U.S.) 1,679 National Defense Research Institute (U.S.) 1,628 Neruda, Pablo, 1904-1973 1,623 Not Applicable, na 1,621 National Geographic Society (U.S.) 1,572 Nichigai Asoshiētsu 1,528 North Carolina 1,493 National Research Council (U.S.) Highway Research Board 1,421 New Hampshire 1,375 National Climatic Data Center (U.S.) 1,367 National Ocean Survey 1,355 Nepos, Cornelius 1,272 Newberry Library 1,256 National Operations Center (U.S.) 1,243 Nihon Hōsō Kyōkai 1,228 National Cooperative Highway Research Program 1,215 Newman, John Henry, Saint, 1801-1890 1,192 National Climatic Center 1,191 National Archives (U.S.) 1,174 Neusner, Jacob, 1932-2016 1,162 Napoleon I, Emperor of the French, 1769-1821 1,160 National Gallery (Great Britain) 1,155 New York (N.Y.) 1,151 National Water-Quality Assessment Program (U.S.) 1,139 National Wetlands Inventory (U.S.) 1,130 Norway 1,130 National Archives (Great Britain) 1,111 Netanyahu, Binyamin 1,109 National Geographic Society (U.S.) Cartographic Division 1,107 National Defense University Institute for National Strategic Studies 1,098 National Education Association of the United States Research Division 1,084 Nabokov, Vladimir Vladimirovich, 1899-1977 1,043 Nordic Council of Ministers 1,038 Nast, Thomas, 1840-1902 1,033 New Yorker Video (Firm) 1,031 National Conference of Commissioners on Uniform State Laws 1,027 New York (State) Law Revision Commission 1,027 National Institute on Alcohol Abuse and Alcoholism (U.S.) 1,024 National League for Nursing 1,021 New York (State) Legislature 1,013 Newton, Isaac, 1642-1727 1,008 National Foreign Assessment Center (U.S.) 1,005 New-York Historical Society 946 National Institute on Aging 924 National Endowment for the Arts 922 Newman, John Henry, 1801-1890 913 North Carolina Cooperative Extension Service 912 New York (State) Legislature. Assembly 901 National Assessment of Educational Progress (Project) 898 Nihon Keizai Shinbunsha 892 National Risk Management Research Laboratory (U.S.) 888 Nørgård, Per, 1932- 887 Nichigai Asoshiētsu 884 Nicaragua 875 National Gallery of Canada 873