History 661 Politics and government 487 Foreign relations 434 International relations 434 World War, 1939-1945 117 Social conditions 114 Communism 112 more ... Jews 87 Ethnic relations 82 Intellectual life 70 World politics 66 Description and travel 58 Civilization 49 Relations 49 Economic conditions 43 Nationalism 42 Heads of state 41 Dissenters 36 Cold War 35 Social life and customs 35 Historiography 33 Perestroĭka 32 Political prisoners 32 Manners and customs 31 Revolutionaries 31 Influence 27 Diplomatic history 26 Economic policy 25 World War, 1914-1918 25 Minorities 20 less ...