Soviet Union Foreign relations 289 Soviet Union Politics and government 239 Soviet Union History 199 United States Foreign relations 159 Communism 69 Soviet Union Social conditions 53 Russia History 51 History 50 Soviet Union Military policy 47 Soviet Union 46 Cold War 45 World politics 44 Soviet Union Economic conditions 41 World War, 1939-1945 41 Soviet Union Description and travel 34 World War, 1939-1945 Campaigns 33 Heads of state 31 Soviet Union Relations 31 Soviet Union Economic policy 29 China Foreign relations 24 Nuclear arms control 24 Communism History 23 National security 16 Russia Foreign relations 15 Soviet Union Social life and customs 15 United States Relations 15 Political prisoners 14 Soviet Union Armed Forces 14 Soviet Union Defenses 14 United States Politics and government 13 World War, 1939-1945 Diplomatic history 13 Composers 12 Dissenters 12 Ethnology 12 Russia Politics and government 12 Soviet Union Foreign economic relations 12 Espionage, Soviet History 11 Revolutionaries 11 Russia Social conditions 11 Soviet Union Ethnic relations 11 Soviet Union Officials and employees 11 Spies 11 Europe Foreign relations 10 Europe, Eastern Politics and government 10 Intelligence service 10 Perestroĭka 10 Russia (Federation) Politics and government 10 Soviet Union History, Military 10 Soviet Union Intellectual life 10 Statesmen 10 Astronautics History 9 Influence 9 Jews 9 Nuclear weapons 9 Russia (Federation) History 9 Soviet Union Military relations 9 United States Military policy 9 Astronautics 8 Europe Politics and government 8 Europe, Eastern Foreign relations 8 Germany Foreign relations 8 Intelligence service History 8 Physicists 8 United States Foreign economic relations 8 Developing countries Foreign relations 7 Education 7 Great Britain Foreign relations 7 Middle East Foreign relations 7 Nuclear disarmament 7 Political culture History 7 Prisoners of war 7 Soviet Union Religion 7 Stalingrad, Battle of, Volgograd, Russia, 1942-1943 7 Afghanistan History 6 Communist strategy 6 Communists 6 Cuban Missile Crisis, 1962 6 Jews History 6 Music 6 Officials and employees 6 Politicians 6 Public opinion 6 Revolutions 6 Russia 6 Soviet Union Armed Forces History 6 Soviet Union Boundaries 6 Soviet Union Church history 6 Strategic forces 6 Arms control 5 China Politics and government 5 Criticism and interpretation 5 Czechoslovakia History 5 Defectors 5 Defensive (Military science) 5 Detente 5 Europe, Eastern History 5 Germany Armed Forces History 5 Mineral industries 5 Music History and criticism 5 Muslims 5