Campaigns Soldiers History 109 World War, 1939-1945 94 Regimental histories 42 World War, 1914-1918 37 Military life 17 more ... Social conditions 8 Atrocities 7 History, Military 7 Military leadership 6 Officers 6 Tank warfare 6 Aerial operations, American 5 Parachute troops 5 Prisoners of war 5 Gettysburg, Battle of, Gettysburg, Pa., 1863 4 Korean War, 1950-1953 4 Participation, African American 4 Prisoners and prisons 4 Scouts and scouting 4 Social aspects 4 African American soldiers 3 Ardennes, Battle of the, 1944-1945 3 Argonne, Battle of the, France, 1918 3 Gettysburg Campaign, 1863 3 Governors 3 Intellectuals 3 Love-letters 3 Medal of Honor 3 less ...