History 684 Politics and government 172 Sources 86 Families 84 Societies, etc 76 Histoire 75 African Americans 70 more ... Foreign relations 59 Indians of North America 56 Family 51 Church records and registers 48 Genealogy 47 Slavery 44 Description and travel 43 Monasticism and religious orders for women 41 Education 39 Quakers 39 Biography 38 Court records 38 Presidents 36 Regimental histories 36 Registers of births, etc 36 Commerce 34 Agriculture 33 Railroads 33 Social conditions 32 Social life and customs 29 Law 28 Physicians 25 Tariff 25 Canals 24 Militia 24 Emigration and immigration 23 Revolution 23 Revolution, American 22 Clergy 21 Pension records 21 Medicine 20 Monasticism and religious orders 20 United States Continental Army--Order-books 20 less ...