History 982 Foreign relations 527 Politics and government 459 Communism 172 World War, 1939-1945 148 Social conditions 138 Cold War 121 History and criticism 96 Intellectual life 78 World politics 77 Relations 76 Political aspects 71 Economic conditions 70 Social aspects 63 Composers 50 Civilization 46 Description and travel 44 Heads of state 43 Russian literature 43 Economic policy 42 Social life and customs 41 Influence 40 Jews 40 Campaigns 37 Military policy 36 Diplomatic history 35 Dissenters 35 Ethnic relations 35 Music 34 Motion pictures 32