Regimental histories Soldiers History 101 Campaigns 42 World War, 1939-1945 26 Military life 14 Cavalry operations 6 more ... World War, 1914-1918 5 Participation, African American 4 Psychological aspects 4 Psychology 4 Social aspects 4 Social conditions 4 Korean War, 1950-1953 3 Parachute troops 3 Prisoners and prisons 3 Prisoners of war 3 African American soldiers 2 Argonne, Battle of the, France, 1918 2 Artillery operations 2 Child soldiers 2 Combat 2 Courage 2 Employees 2 Family relationships 2 German American families 2 Health and hygiene 2 Hospitals 2 Immigrants 2 Love-letters 2 less ...