History 322 Social conditions 32 African Americans 28 Churches 27 Histoire 20 Politics and government 20 Social life and customs 20 more ... Administrative agencies 17 Prisons 17 Race relations 17 Church history 16 Antislavery movements 15 Slavery 14 Description and travel 13 Quakers 13 Fugitive slaves 12 Society of Friends 12 Abolitionists 11 Quaker women 11 Coal mines and mining 10 Economic conditions 9 German Americans 9 Immigrants 9 Painting, Modern 9 Regimental histories 9 Soldiers 9 Underground Railroad 9 Baptist 8 Campaigns 8 Episcopal 8 Irish Americans 8 Medical colleges 8 Railroads 8 Registers of births, etc 8 American poetry 7 Ethnic relations 7 Historic sites 7 Presbyterian Church 7 Religious aspects 7 Riots 7 less ...