Politics & government 182 Regional studies 121 Education 110 Business & management 107 Sociology 105 Economics 99 Society & culture: general 93 linguistics 90 Ethnic studies 85 Applied ecology 82 Language: reference & general 82 Humanities 70 International relations 63 Jurisprudence & general issues 62 Environmental science, engineering & technology 60 Human geography 57 bic Book Industry Communication 56 Development economics & emerging economies 52 Media studies 51 Literature: history & criticism 50 Environmental policy & protocols 46 Geography 44 Psychology 42 European history 40 City & town planning - architectural aspects 39 Philosophy 39 Development studies 38 Social & cultural anthropology, ethnography 38 Anthropology 36 History 36