History 607 Politics and government 305 Nationalism 262 National socialism 182 Social conditions 78 Civilization 68 World War, 1939-1945 63 Historiography 58 Foreign relations 45 Ethnic relations 43 Holocaust, Jewish (1939-1945) 42 Social aspects 35 Economic conditions 28 Political culture 28 Political aspects 27 Intellectual life 25 Psychological aspects 25 Social life and customs 25 Collective memory 24 Description and travel 22 National characteristics, German 22 National security 21 National characteristics, American 20 National characteristics, British 19 Sources 19 World War, 1914-1918 19 Atrocities 16 Philosophy 16 Relations 16 Autonomy and independence movements 15