History Regimental histories 182 Pennsylvania Infantry 63 Soldiers 54 Politics and government 48 Sources 48 Histoire 47 more ... Societies, etc 45 Campaigns 43 Registers 27 Biography 24 Gettysburg, Battle of, Gettysburg, Pa., 1863 24 Registers of births, etc 23 Personal narratives 22 Genealogy 20 Indians of North America 20 African Americans 18 Manuscripts 18 Militia 17 Officers 15 Social conditions 15 Slavery 14 Archives 13 Causes 13 Manuscripts, American 13 Bibliography 12 Description and travel 12 Headquarters 12 Hospitals 12 Pennsylvania Cavalry 12 Social aspects 12 Quakers 11 Antislavery movements 10 History, Military 10 Veterans 10 Battlefields 9 Cemeteries 9 Gettysburg Campaign, 1863 9 Recruiting, enlistment, etc 9 Women 9 less ...