Diplomacy International relations Military history 4 International institutions 3 Political control & freedoms 3 Warfare & defence 3 20th century history: c 1900 to c 2000 2 Asian history 2 Archaeology 1 Australasian & Pacific history 1 Austria 1 Elections & referenda 1 Ethnic minorities & multicultural studies 1 European history 1 Globalization 1 History of other lands 1 History of science 1 Italy 1 Museology & heritage studies 1 NATO 1 North Pacific 1 Peace studies & conflict resolution 1 Political structures: democracy 1 Politics & government 1 Postwar 20th century history, from c 1945 to c 2000 1 Social & cultural anthropology, ethnography 1 South Pacific 1