History Churches 128 Social life and customs 67 Church history 64 Sources 60 Buildings, structures, etc 54 African Americans 49 more ... Historic buildings 46 Social conditions 45 Episcopal 40 Description and travel 36 Jews 32 Manuscripts, American 31 Race relations 30 Quakers 29 Societies, etc 29 Politics and government 28 Archives 27 Medicine 26 Baptists 24 Hospitals 23 Presbyterian 23 Presbyterian Church 22 Commerce 21 Bibliography 20 Baptist 19 Hotels 19 Biography 18 Ethnic relations 18 Museums 18 Society of Friends 18 Architecture 17 Historic sites 17 Manuscripts 16 Prisons 16 Catholic 15 Economic conditions 15 German Americans 15 Irish Americans 15 Education 14 less ...