History 72 Politics and government 45 World War, 1939-1945 14 Social conditions 12 Foreign relations 10 Addresses, essays, lectures 7 Economic conditions 7 Civilization 6 Biography 5 Colonies 5 Campaigns 4 Economic policy 4 Intellectual life 4 Sources 4 Dictionaries 3 Diplomatic history 3 Historiography 3 Military policy 3 Social life and customs 3 Social policy 3 Women 3 World War, 1914-1918 3 Anti-Nazi movement 2 Authors, English 2 Causes 2 Communism 2 Congresses 2 Economic aspects 2 European War, 1914-1918 2 Liberalism 2