Campaigns World War, 1939-1945 445 History 244 Biography 70 World war, 1939-1945 69 World War, 1914-1918 50 Regimental histories 42 History, Military 40 Personal narratives, American 29 World War 28 Western Front 23 Personal narratives 22 France 19 Personal narratives, British 19 Soldiers 19 Military leadership 18 Naval operations 16 Normandy 16 United States 15 Aerial operations, British 14 Pacific Area 14 Army 13 Generals 13 Tank warfare 13 Vietnam War, 1961-1975 13 Aerial operations 12 Armed Forces 12 Naval operations, American 12 Eastern Front 11 Germany 11