Foreign relations 239 History 106 Politics and government 71 Military policy 56 Soviet Union 37 World politics 33 World War, 1939-1945 31 Biography 28 Armed Forces 25 Communism 20 United States 19 Cold War 17 Military relations 15 Nuclear arms control 15 Defenses 14 Congresses 13 Economic policy 13 Campaigns 12 Military intelligence 12 Economic conditions 11 International relations 11 Arms race 10 Diplomatic history 9 Military art and science 9 Relations 9 Social conditions 9 Detente 8 History, Military 8 Intelligence service 8 National security 8