Intellectual life 2,537 Influence 2,268 In literature 1,437 Indians of North America 1,436 Information technology 1,316 Islam 1,291 Immigrants 1,285 International relations 1,121 Investments 1,072 International cooperation 1,063 Indigenous peoples 962 Internet 830 Industrial management 783 Interpersonal relations 742 International business enterprises 678 Imperialism 532 Intercultural communication 532 International economic relations 532 Identity 514 International trade 471 Iraq War, 2003-2011 454 Identity (Psychology) 447 Infants 429 International law 423 Industries 419 Instruction and study 389 Industrial relations 386 Inventions 385 Inventors 383 Internet marketing 371 Interpersonal communication 368 International finance 364 In-service training 358 Islam and politics 357 Investments, Foreign 338 Inclusive education 309 Investigation 307 Industrial policy 299 Income distribution 291 Indians of South America 265 Infant 265 Industrial applications 242 Intellectuals 238 Investigative Techniques 236 Intellectual property 232 Intelligence service 227 Interdisciplinary approach in education 227 Image processing 223 In motion pictures 219 Infrastructure (Economics) 218 International Cooperation 217 Industrial safety 211 Information storage and retrieval systems 211 Internet in education 206 Information society 200 Infection 199 Information visualization 179 Inuit 175 Investment analysis 174 Inflation (Finance) 172 Individualized instruction 171 Information services 171 Indians 168 Industrial design 168 Industrialization 164 Imperialism in literature 161 Islamic fundamentalism 160 Irish authors 158 Ideology 156 International cooking 154 International organization 151 Interpersonal Relations 149 Information resources management 145 Imprisonment 142 Insurgency 136 Identity (Philosophical concept) 135 Imaging 134 Internal security 134 Islam and state 134 Identity (Psychology) in literature 133 Imagination 133 Indians of Mexico 131 Identification 130 Inheritance and succession 129 Illegal immigration 127 International agencies 124 Intervention (International law) 124 Internet of things 122 Interpretation and construction 122 Intellect 119 Industrial hygiene 118 Industrial productivity 117 Individualism 115 Interviews 115 Internet programming 109 International education 108 International status 108 Interior decoration 107 Insects 106 Institutional care 105