History 360 Soldiers Regimental histories 85 Social aspects 63 Military life 51 Campaigns 45 Social conditions 41 more ... Officers 21 Gettysburg, Battle of, Gettysburg, Pa., 1863 17 Psychological aspects 17 Attitudes 16 Participation, African American 12 Prisoners and prisons 11 Prisoners of war 11 Psychology 11 Veterans 11 History, Military 10 Cavalry operations 9 Guerrillas 8 Influence 8 Military leadership 8 Race relations 8 Artillery operations 7 Participation, German American 7 Recruiting, enlistment, etc 6 Slavery 6 Social classes 6 Underground movements 6 African American soldiers 5 African Americans 5 less ...