History 112 Regimental histories 62 Hist 35 Politics and government 21 Campaigns 15 Personal narratives 15 Confederate side 8 more ... Slavery 7 Biography 5 N.Y. inf 5 Naval operations 4 Poetry 4 Regimental history 4 29th 3 Addresses, sermons, etc 3 Causes 3 Foreign public opinion 3 Mass. inf 3 New York infantry 3 Prisoners and prisons 3 10th 2 1st 2 2d 2 36th 2 8th 2 Army of the Potomac 2 Campaign literature, 1864 2 Chronology 2 Civil War 2 Civil war 2 Controversial literature 2 Description and travel 2 Emancipation 2 Genealogy 2 Gettysburg, Battle of, Gettysburg, Pa., 1863 2 History, Military 2 Hospitals, charities, etc 2 Ill. inf 2 Martial law 2 Massachusetts infantry 2 less ...