Roman Catholicism, Roman Catholic Church 13 Christianity 9 Development studies 5 Philosophy of religion 5 Religion & beliefs 4 European history 3 History 3 Social & cultural history 3 20th century history: c 1900 to c 2000 2 History of religion 2 Humanities 2 Literature: history & criticism 2 Social & cultural anthropology, ethnography 2 Social interaction 2 Theology 2 Applied ecology 1 Asian history 1 Biography: general 1 British & Irish history 1 Christian life & practice 1 Christian theology 1 Environmental policy & protocols 1 Ethnic studies 1 Folklore, myths & legends 1 Football (Soccer, Association football) 1 Gender studies: women 1 History of ideas 1 History of sport 1 History of the Americas 1 International human rights law 1