History Sources 338 Church history 198 Regimental histories 186 Societies, etc 178 Histoire 172 Churches 142 more ... Social life and customs 140 Politics and government 130 Indians of North America 120 Genealogy 112 Historic buildings 110 Description and travel 106 Economic conditions 106 Taxation 105 African Americans 100 Buildings, structures, etc 96 Finance, Public 96 Biography 94 Militia 93 Social conditions 86 Quakers 75 Education 74 Registers of births, etc 74 Railroads 73 Archives 71 Germans 71 Soldiers 66 Bibliography 65 Pennsylvania Infantry 63 German Americans 60 Pennsylvania Dutch 59 Race relations 55 Society of Friends 53 Campaigns 50 Jews 49 Emigration and immigration 47 Appropriations and expenditures 44 Archival resources 41 Episcopal 41 less ...