Periodicals 211 History 161 Charities 129 Societies, etc 93 Poor 82 Railroads 79 Services for 79 more ... Education 78 African Americans 65 Finance 54 Indians of North America 50 Young Men's Christian associations 36 Emigration and immigration 30 Slavery 26 Antislavery movements 24 Freed persons 23 Missions 22 Canals 21 Hospitals 21 Schools 21 Women 21 Fraternal organizations 20 Politics and government 19 Regimental history 19 Sources 19 Government relations 18 Registers 18 Streets 18 Jews 15 Bibliography 14 Colonization 14 Archives 13 German Americans 13 Statistics 12 Agriculture 11 Coal mines and mining 11 Libraries 11 Prisons 11 Regimental histories 11 Social conditions 11 less ...