Education 183 Sociology 141 Politics & government 83 Computer science 79 Environmental economics 76 Political economy 72 Central government policies 68 Society & social sciences 67 Public administration 66 Sustainability 65 Ecological science, the Biosphere 56 Migration, immigration & emigration 56 Artificial intelligence 55 Educational strategies & policy 54 Economics 53 Development studies 51 International relations 50 Coins, banknotes, medals, seals (numismatics) 49 Environmental management 48 Humanities 47 Manufacturing industries 46 Social & cultural history 46 Teaching of a specific subject 46 History of medicine 45 History of science 45 Management of specific areas 45 Cultural studies 44 Development economics & emerging economies 44 Human geography 43 Biochemical engineering 42