Armed Forces HISTORY 19 BIOGRAPHY & AUTOBIOGRAPHY 18 Historical 18 Military 16 World War, 1939-1945 12 World War II 11 Guerre mondiale, 1939-1945 10 Campagnes et batailles 9 Campaigns 9 Military campaigns 9 History 6 Officers 6 Aerial operations, American 5 American 5 Histoire des unités 5 Military operations, Aerial 5 Regimental histories 5 Medical care 4 Medical personnel 4 Personnel médical 4 Soins médicaux 4 Weltkrieg 4 World War, 1914-1918 4 Guerre mondiale, 1914-1918 3 Non-commissioned officers 3 Officiers 3 Sous-officiers 3 Aviation 2 Feldlazarett 2