History 1,165 Politics and government 200 Regimental histories 187 German Americans 128 Almanacs, American 117 Germans 115 Societies, etc 109 more ... Sources 96 Slavery 83 Histoire 76 Registers of births, etc 73 African Americans 71 Soldiers 71 Genealogy 69 Description and travel 64 Pennsylvania Infantry 63 Archives 58 Almanacs, German 57 Periodicals 53 Campaigns 52 Railroads 52 Antislavery movements 51 Legislators 51 Polish Americans 47 Social life and customs 46 Polish people 42 Taxation 42 Jews 39 Education 38 Indians of North America 38 Social conditions 38 Biography 37 Prisons 37 Church history 36 Travel 36 Bibliography 33 Emigration and immigration 33 Registers 33 Administrative agencies 32 Historic buildings 32 less ...