History 476 Politics and government 429 Foreign relations 280 International relations 280 Social conditions 91 World War, 1939-1945 70 Communism 69 more ... World politics 64 Intellectual life 47 Jews 39 Heads of state 37 Economic conditions 36 Ethnic relations 36 Cold War 32 Perestroĭka 32 Dissenters 28 Revolutionaries 28 Nationalism 27 Relations 27 Social life and customs 26 Influence 25 Description and travel 24 Manners and customs 23 Economic policy 22 Political prisoners 22 World War, 1914-1918 21 Historiography 18 Campaigns 17 Socialism 17 Diplomatic history 15 less ...