20th century history: c 1900 to c 2000 European history Social & cultural history 10 Fascism & Nazism 4 History: specific events & topics 4 Legal history 4 Second World War 4 Asian history 3 Austria 3 Constitution: government & the state 3 Genocide & ethnic cleansing 3 Oral history 3 The Holocaust 3 21st century history: from c 2000 - 2 Biography: historical, political & military 2 Collected biographies 2 Economic history 2 History 2 History: theory & methods 2 Modern history to 20th century: c 1700 to c 1900 2 Political ideologies 2 Postwar 20th century history, from c 1945 to c 2000 2 Regional & national history 2 Revolutions, uprisings, rebellions 2 Communication studies 1 Diplomacy 1 Early modern history: c 1450/1500 to c 1700 1 Ethnic minorities & multicultural studies 1 Europe 1 Gender studies, gender groups 1