History 16,791 Politics and government 1,434 Refugees 1,169 Participation, Foreign 846 Military participation 703 Histoire 646 Atrocities 622 Political refugees 587 Literature and the war 566 World War, 1939-1945 540 Spaniards 536 Communism 502 Religious aspects 475 Campaigns 435 History and criticism 430 Personal narratives 413 Foreign relations 411 Political persecution 407 Biography 328 Prisoners and prisons 325 War 318 Exiles 292 Causes 286 Women 286 Foreign 260 Fiction 259 Aerial operations 257 Intellectual life 257 War and literature 254 Francoism 230 Political science 227 Soldiers 224 Participation, Italian 221 Fascism 220 Children 217 Art and the war 215 Anarchism 200 Participation, German 197 Influence 190 Social conditions 187 Historia 186 Public opinion 183 Diplomatic relations 181 Spanish literature 181 Anti-fascist movements 179 Participation, American 163 History, Military 158 International relations 158 Participation, Russian 156 Political aspects 156 Political activity 151 Prisoners of war 151 Anarchists 147 Propaganda 144 Concentration camps 136 Military campaigns 135 Regimental histories 135 Sources 134 Social aspects 133 Collective memory 132 Church and state 131 Criticism and interpretation 130 Foreign public opinion 130 Social life and customs 130 Historiography 129 Communists 128 Underground movements 120 Relations 115 Motion pictures and the war 114 Spanischer Bürgerkrieg 113 Spanish poetry 113 Political prisoners 106 Socialism 106 Influence (Literary, artistic, etc.) 105 Feature films 104 Exiles' writings, Spanish 102 Motion pictures 101 Journalists 100 Military operations, Aerial 99 Guerrillas 98 Political violence 97 Press coverage 97 Medical care 96 Naval operations 94 Civilian relief 93 Participation, British 93 Réfugiés 92 Spain 91 American 90 Generals 89 HISTORY 89 German 88 Civilization 87 Intellectuals 87 Russian 85 Italian 84 British 82 Economic aspects 80 Economic conditions 80 Internment camps 79