World War, 1914-1918 546 Guerre mondiale, 1914-1918 445 HISTORY 300 Western 148 Military 141 World War I. 134 Campaigns 120 Military campaigns 120 Campagnes et batailles 111 History 111 Weltkrieg 64 Histoire 62 General 45 Eerste Wereldoorlog 40 Regimental histories 40 Histoire des unités 36 Soldiers 28 War 28 BIOGRAPHY & AUTOBIOGRAPHY 27 Historiographie 27 Historiography 27 Aspect social 23 Historical 23 Military operations, Aerial 23 Social aspects 23 War and literature 23 Influence 21 Influence (Literary, artistic, etc.) 21 Literature and the war 21 Medical care 19