History Regimental histories 156 Pennsylvania Infantry 63 Soldiers 36 Gettysburg, Battle of, Gettysburg, Pa., 1863 24 Politics and government 22 Personal narratives 18 more ... Registers 18 Campaigns 17 African Americans 13 Histoire 12 Pennsylvania Cavalry 12 Recruiting, enlistment, etc 12 Registers of births, etc 11 Biography 9 Genealogy 9 Gettysburg Campaign, 1863 9 Draft 8 Hospitals 8 Societies, etc 8 Slavery 7 Veterans 7 118th 6 Officers 6 African American soldiers 5 Campaign literature 5 Correspondence 5 Governors 5 History, Military 5 Manpower 5 Medical care 5 Monuments 5 Social aspects 5 Social conditions 5 Soldiers' monuments 5 Cemeteries 4 Civilian relief 4 Diaries 4 Diplomatic and consular service, American 4 Generals 4 less ...