Slavery 87 History 67 Description and travel 52 Slave trade 39 Enslaved persons 34 Colonies 33 Emancipation 31 more ... Commerce 26 Sugar trade 17 Travel 17 Antislavery movements 16 Commerce--West Indies--18th century 13 Merchants--Pennsylvania--Philadelphia--18th century 13 Slavery in the West Indies 13 Descriptions et voyages 12 West Indies--Commerce 12 Histoire 11 Sources 11 Social conditions 9 Controversial literature 8 Emigration and immigration 8 Slavery and the church 8 Trade--West Indies--18th century 8 British colonies 7 Genealogy 7 Black people 6 Esclaves 6 Gazetteers 6 Pirates 6 Politics and government 6 Abolitionists 5 British 5 Economic conditions 5 History, Naval 5 Law and legislation 5 Shipping--Pennsylvania--Philadelphia--18th century 5 Shipping--West Indies--18th century 5 African Americans 4 British Americans 4 Buccaneers 4 less ...