Sociology 18 Research & information: general 12 Social & cultural anthropology, ethnography 11 Migration, immigration & emigration 10 Medicine 8 History 7 History of engineering & technology 7 Humanities 7 Literature & literary studies 7 Biology, life sciences 6 Central government policies 6 Social interaction 6 Social work 6 Society & social sciences 6 Anthropology 5 Finance 5 Food & society 5 Philosophy 5 Politics & government 5 Social & cultural history 5 Social welfare & social services 5 The environment 5 Disability: social aspects 4 Educational strategies & policy 4 Gender studies, gender groups 4 Sociology: family & relationships 4 Technology: general issues 4 The arts 4 Applied ecology 3 Biography: historical, political & military 3