International Monetary Fund 23,368 Inter-university Consortium for Political and Social Research 22,824 Institute of Electrical and Electronics Engineers 18,303 IEEE Xplore (Online service) 16,454 IEEE Staff 9,970 International Labour Office 9,306 IEEE Computer Society 7,960 India 6,301 Italy 4,794 Indonesia 4,546 Indiana University Digital Library Program 4,388 International Atomic Energy Agency 3,738 Image Entertainment (Firm) 3,626 Italian Culture Class Collection (University of Pennsylvania) 3,405 Irving, Washington, 1783-1859 3,394 Ives, Charles, 1874-1954 3,080 International Energy Agency 3,000 International Labour Organisation 2,540 Ibsen, Henrik, 1828-1906 2,517 International Crisis Group 2,416 International Business Machines Corporation International Technical Support Organization 2,180 Institute for Computer Applications in Science and Engineering 2,119 International Labour Conference 2,106 Indie Photobook Library/Larissa Leclair Collection (Beinecke Rare Book and Manuscript Library) 2,096 Institut vostokovedenii︠a︡ (Akademii︠a︡ nauk SSSR) 1,959 Ireland 1,900 Illica, Luigi, 1857-1919 1,885 Ivanhoe Broadcast News (Firm) 1,828 International Monetary Fund Research Department 1,826 IEEE Communications Society 1,819 Icarus Films 1,774 IEEE Electron Devices Society 1,756 Illinois 1,736 Israel Lishkah ha-merkazit li-sṭaṭisṭiḳah 1,669 Institution of Electrical Engineers 1,660 Ibert, Jacques, 1890-1962 1,639 International Travel Maps (Firm) 1,636 International Monetary Fund African Department 1,620 Institut National de Recherche en Informatique et en Automatique 1,576 Institut mirovoĭ literatury imeni A.M. Gorʹkogo 1,522 Instituto Nacional de Estadística, Geografía e Informática (Mexico) 1,479 International Development Research Centre (Canada) 1,425 Israel 1,410 Instituto Nacional de Estadística, Geografía e Informática (Mexico) 1,402 Illinois State Geological Survey 1,361 Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-1328 1,354 Inter-American Development Bank 1,318 Isaac Leeser Collection (Library at the Katz Center for Advanced Judaic Studies) 1,314 Intermountain Forest and Range Experiment Station (Ogden, Utah) 1,310 Institut national de la statistique et des études économiques (France) 1,298 Indonesia Biro Pusat Statistik 1,292 Institut russkoĭ literatury (Pushkinskiĭ dom) 1,272 ITMB Publishing Ltd 1,266 Iran 1,265 Indiana University 1,261 Independent Television Service 1,256 International Monetary Fund European Department 1,228 Institut des Sources Chrétiennes 1,195 Israel Meir, ha-Kohen, 1838-1933 1,184 Industrial Environmental Research Laboratory (Research Triangle Park, N.C.) 1,178 Institut vostokovedenii͡a (Akademii͡a nauk SSSR) 1,177 Inchbald, Mrs., 1753-1821 1,149 Israel Miśrad ha-ḥinukh ṿeha-tarbut 1,136 Isaac, Heinrich, approximately 1450-1517 1,119 Ireland, John, 1879-1962 1,118 IEEE Circuits and Systems Society 1,111 International Monetary Fund Fiscal Affairs Department 1,105 Injoy Productions 1,093 International Geological Congress 1,078 International Monetary Fund Western Hemisphere Department 1,077 International Monetary Fund Monetary and Capital Markets Department 1,069 Israel Rashut ha-shidur 1,068 Indy, Vincent d', 1851-1931 1,067 Institut géographique national (France) 1,060 Institut marksizma-leninizma (Moscow, Russia) 1,059 IS & T--the Society for Imaging Science and Technology 1,055 Illinois Institute for Continuing Legal Education 1,054 Institute of Southeast Asian Studies 1,045 Institut national de la statistique et des études économiques (France) 1,038 Intermountain Research Station (Ogden, Utah) 1,019 Indonesia Departemen Penerangan 1,017 Institut filosofii (Akademii︠a︡ nauk SSSR) 1,015 International Labour Organization 1,012 International Business Machines Corporation 1,011 Isaac Norris Library Fund 996 Instituto Nacional de Antropología e Historia (Mexico) 995 Institut mirovoĭ literatury imeni A.M. Gorʹkogo 989 Institut istorii (Akademii︠a︡ nauk SSSR) 959 Ibn al-ʻArabī, 1165-1240 957 International Court of Justice 957 International Cancer Research Data Bank 952 International Monetary Fund Statistics Department 947 International Chamber of Commerce 935 Ibn Qayyim al-Jawzīyah, Muḥammad ibn Abī Bakr, 1292-1350 931 Industrial Environmental Research Laboratory (Cincinnati, Ohio) 930 International Civil Aviation Organization 929 International Labour Office Expanded Programme of Technical Assistance 927 Israel Maḥleḳet ha-medidot 920 Institut istorii SSSR (Akademii︠a︡ nauk SSSR) 911 Institution of Civil Engineers (Great Britain) 910