600 - Technology 620 - Engineering & allied operations 2,854 500 - Natural sciences & mathematics 2,305 900 - History & geography 2,004 700 - The arts; fine & decorative arts 1,884 333 - Economics of land & energy 1,630 more ... 330 - Economics 1,463 000 - Computer science, information & general works 1,187 363 - Other social problems & services 1,030 610 - Medicine & health 850 380 - Commerce, communications & transportation 755 320 - Political science 694 630 - Agriculture & related technologies 527 370 - Education 459 140 - Specific philosophical schools 424 580 - Plants (Botany) 424 540 - Chemistry & allied sciences 320 300 - Social sciences 298 576 - Genetics & evolution 280 551 - Geology, hydrology & meteorology 211 304 - Factors affecting social behavior 192 100 - Philosophy & psychology 187 340 - Law 177 658 - General management 177 720 - Architecture 169 800 - Literature & rhetoric 135 414 - Phonology & phonetics 128 581 - Specific topics in natural history 126 530 - Physics 119 400 - Language 118 170 - Ethics 102 301 - Sociology & anthropology 73 410 - Linguistics 59 200 - Religion 47 629 - Other branches of engineering 46 780 - Music 42 612 - Human physiology 40 005 - Computer programming, programs & data 33 361 - Social problems & social welfare in general 30 338 - Production 28 331 - Labor economics 27 336 - Public finance 26 657 - Accounting 23 615 - Pharmacology & therapeutics 21 770 - Photography, photographs & computer art 19 120 - Epistemology, causation & humankind 17 670 - Manufacturing 16 364 - Criminology 13 791 - Public performances 13 350 - Public administration & military science 12 550 - Earth sciences 12 621 - Applied physics 12 160 - Logic 11 650 - Management & auxiliary services 11 360 - Social problems & services; associations 10 520 - Astronomy & allied sciences 10 004 - Data processing & computer science 9 384 - Communications; telecommunication 8 643 - Housing & household equipment 8 006 - Special computer methods 7 745 - Decorative arts 7 590 - Animals (Zoology) 6 297 - Islam, Babism & Bahai Faith 5 374 - Adult education 5 153 - Mental processes & intelligence 4 303 - Social processes 4 381 - Commerce 4 001 - Knowledge 3 302 - Social interaction 3 332 - Financial economics 3 398 - Folklore 3 362 - Social welfare problems & services 2 616 - Diseases 2 651 - Office services 2 660 - Chemical engineering 2 809 - History, description & criticism 2 174 - Occupational ethics 1 305 - Social groups 1 327 - International relations 1 346 - Private law 1 353 - Specific fields of public administration 1 507 - Education, research & related topics 1 510 - Mathematics 1 539 - Modern physics 1 542 - Techniques, equipment & materials 1 603 - Dictionaries & encyclopedias 1 628 - Sanitary & municipal engineering 1 664 - Food technology 1 677 - Textiles 1 681 - Precision instruments & other devices 1 730 - Plastic arts; sculpture 1 790 - Recreational & performing arts 1 920 - Biography, genealogy & insignia 1 see all ... less ...

English 6,884 French 200 Spanish 80 German 76 Italian 56 Portuguese 39 more ... Chinese 9 Japanese 9 Korean 9 No linguistic content 8 Russian 6 Multiple 5 Finnish 4 Lithuanian 4 Norwegian 4 Slovenian 4 Swedish 4 Polish 3 Turkish 3 Croatian 2 Hungarian 2 Latvian 2 Norwegian Nynorsk 2 Arabic 1 Czech 1 Danish 1 Dutch 1 Latin 1 Romanian 1 Slovak 1 Tamil 1 see all ... less ...

IEEE Conference Proceedings 20,456 Directory of Open Access Books 5,612 SPIE Conference Proceedings 2,038 OECD Books and Papers 1,761 IEEE Standards 1,226 OAPEN 281 more ... National Center for Biotechnology Information 257 O'Reilly 181 Making of the Modern World 87 Springer eBooks 2005- 67 Edward Elgar eBooks Collection Business & Economics 18 Digi20 13 Eighteenth Century Collections Online / ECCO 8 Nomos 8 Springer Book Archives -2004 8 Ethnographic Video Online Vol. 1 5 Edward Elgar eBook Archive 4 Mohr Siebeck eBooks 2 JSTOR Open Access Books 1 Oxford Handbook Online 1 Primary Sources for Slavic Studies 1 Standards and Norms (DIN Media) 1 see all ... less ...

Organisation for Economic Co-operation and Development 1,009 Organisation de coopération et de développement économiques 153 Criscuolo, Chiara 46 Nasjonalt kunnskapssenter for helsetjenesten 25 Paunov, Caroline 22 Canadian Agency for Drugs and Technologies in Health 21 more ... Squicciarini, Mariagrazia 21 Galindo-Rueda, Fernando 20 Menon, Carlo 19 United States Agency for Healthcare Research and Quality 17 De Backer, Koen 16 Calvino, Flavio 15 Dernis, Hélène 14 Institute of Health Economics 14 Yamano, Norihiko 13 Calligaris, Sara 12 Planes-Satorra, Sandra 12 Wyckoff, Andrew 11 Smith, Godfrey 10 Webb, Colin 10 Appelt, Silvia 9 Bajgar, Matej 9 Baygan, Günseli 9 Johnstone, Nick 9 Moussiegt, Laurent 9 Wessner, Charles W. 9 Government-University-Industry Research Roundtable 8 Guellec, Dominique 8 Jolly, Claire 8 Samek, Lea 8 Statistical Office of the European Communities 8 The World Bank 8 Aronov, Boris S. 7 Auriol, Laudeline 7 Berlingieri, Giuseppe 7 Daniel, Laurent 7 DeStefano, Timothy 7 Dechezleprêtre, Antoine 7 Gurría, Angel 7 Hernández-Callejo, Luis 7 Lalanne, Guy 7 Lytras, Miltiadis 7 National Institute for Health and Care Excellence (Great Britain) 7 National Institute for Health and Clinical Excellence (Great Britain) 7 National Research Council (U.S.) Committee on Capitalizing on Science, Technology, and Innovation: An Assessment of the Small Business Innovation Research Program 7 Ringerike, Tove 7 Schreyer, Paul 7 Sultan, Muhammad 7 Winickoff, David 7 Zavadskas, Edmundas Kazimieras 7 van Beuzekom, Brigitte 7 Afonso, Alexandre M. 6 Baños Navarro, Raúl 6 Cammeraat, Emile 6 Carbone, Giuseppe 6 Desnoyers-James, Isabelle 6 Garden, Hermann 6 Hoff, Inge 6 Ker, Daniel 6 Klemp, Marianne 6 Marcolin, Luca 6 Montoya, Francisco G. 6 Pilat, Dirk 6 Queiroz Zepka, Leila 6 Technology Assessment Program (Agency for Healthcare Research and Quality) 6 Ure, Andrew 6 Varzakas, Theodoros 6 Vincent-Lancrin, Stéphan 6 Young, Clara 6 Ahmad, Nadim 5 Alper, Joe 5 Borowiecki, Martin 5 Committee on Science, Engineering, and Public Policy (U.S.) 5 Ferrás, Luís L. 5 Folkehelseinstituttet (Norway) 5 Gal, Peter 5 Garrote, Luis 5 Gasparetto, Alessandro 5 Gelijns, Annetine 5 Gil Bravo, Antonio 5 González Cabral, Ana Cinta 5 González Lezcano, Roberto Alonso 5 Gourdon, Karin 5 Grundke, Robert 5 Hatzichronoglou, Thomas 5 Institute of Medicine (U.S.) Committee on Technological Innovation in Medicine 5 Jacob-Lopes, Eduardo 5 Jamet, Stéphanie 5 Khan, Mosahid 5 Kosyachenko, Leonid A. 5 Larrue, Philippe 5 Lynn, Theo 5 Mooney, John G. 5 National Institutes of Health Consensus Development Conference 5 Nesmachnow, Sergio 5 Pantelakis, Spiros 5 Schabowicz, Krzysztof 5 Schwellnus, Cyrille 5 Silva, Filipe 5 Silva, Francisco J. G. 5 see all ... less ...

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