History 44 World War, 1939-1945 31 Social aspects 16 General 8 HISTORY 6 History and criticism 6 Politics and government 6 SOCIAL SCIENCE 6 Campaigns 5 Philosophy 5 Political science 5 Social conditions 5 Bombing, Aerial 4 POLITICAL SCIENCE 4 Aerial operations, British 3 Aerial operations, German 3 Air warfare 3 Bills, Private 3 Britain, Battle of, Great Britain, 1940 3 Buildings 3 Civilization 3 Claims 3 Criticism and interpretation 3 English literature 3 LITERARY CRITICISM 3 Political aspects 3 War and literature 3 War and society 3 War in literature 3 World War, 1914-1918 3