World War, 1914-1918 149 HISTORY 147 Western 140 Guerre mondiale, 1914-1918 125 Campaigns 46 Military campaigns 46 Campagnes et batailles 43 History 28 Weltkrieg 18 Histoire 11 Historiographie 10 Historiography 10 Military operations, Aerial 10 War 10 Aspect social 9 Military 9 Social aspects 9 Causes 8 Military operations, Naval 8 Soldiers 8 BIOGRAPHY & AUTOBIOGRAPHY 7 Eerste Wereldoorlog 7 Historical 7 Influence 7 Influence (Literary, artistic, etc.) 7 Medical care 7 Military participation 7 Regimental histories 7 Soins médicaux 7 World War I. 7