History Sources 349 Regimental histories 239 Church history 199 Societies, etc 194 Histoire 182 Social life and customs 146 more ... Churches 142 Politics and government 139 Indians of North America 121 Genealogy 118 Historic buildings 111 Biography 110 Description and travel 109 African Americans 107 Economic conditions 106 Taxation 105 Buildings, structures, etc 96 Finance, Public 96 Militia 93 Pennsylvania Dutch 89 Social conditions 86 Railroads 83 Germans 79 Education 78 Pennsylvania Infantry 78 Registers of births, etc 77 Quakers 76 Archives 73 Bibliography 70 Soldiers 69 German Americans 63 Race relations 58 Emigration and immigration 55 Campaigns 53 Society of Friends 53 Jews 49 Hospitals 45 Periodicals 45 Appropriations and expenditures 44 less ...