Migration, immigration & emigration 110 Refugees & political asylum 81 Sociology 49 European history 45 Refugees 33 Second World War 33 History of medicine 32 Politics & government 31 refugee 29 International relations 28 Human geography 26 Postwar 20th century history, from c 1945 to c 2000 26 Social & cultural anthropology, ethnography 25 Society & social sciences 25 Central government policies 24 Human rights 24 Development studies 22 human 22 History of the Americas 19 Education 17 Political science & theory 17 Public administration 17 Humans 16 Social impact of disasters 16 Media studies 15 adult 15 Society & culture: general 14 female 14 male 14 Gender studies, gender groups 13