Foreign relations 116 Cold War 39 History 20 World politics 18 Politics and government 11 Cuban Missile Crisis, 1962 6 Biography 5 Espionage, Soviet 5 Spies 5 Detente 4 Diplomats 4 Soviet Union 4 World War, 1939-1945 4 Ambassadors 3 Berlin Wall, Berlin, Germany, 1961-1989 3 Diplomatic history 3 International relations 3 Nuclear arms control 3 Propaganda, American 3 Addresses, essays, lectures 2 Atomic bomb 2 Cryptography 2 Espionage, American 2 Intelligence service 2 Military policy 2 National security 2 Nuclear warfare 2 Political and social views 2 Politicians 2 Psychological warfare 2