Sources 17 Archives 13 History 11 Politics and government 7 Bibliography 5 Catalogs 4 History, Local 4 more ... Genealogy 3 Manuscripts, American 3 Public records 3 African Americans 2 Maps 2 Pennsylvania--History--Colonial period, ca. 1600-1775 2 Race relations 2 Archives and libraries 1 Arithmetic--Textbooks--Early works to 1900 1 Building--Materials 1 Businessmen 1 Chronology, Historical 1 Coal trade 1 Commerce 1 Compromise of 1850 1 County government 1 Customs administration--United States 1 Decedents’ estates--Pennsylvania 1 Dunkard Brethren 1 Ephrata Cloister 1 Executive advisory bodies 1 Finance, Public 1 Fraktur art--Pennsylvania 1 Geomancy--Early works to 1800 1 German Americans--Music 1 German Baptist Brethren (U.S.)--Pennsylvania 1 German language--18th century--Dictionaries 1 Germantown (Philadelphia, Pa.)--History--Colonial period, ca. 1600-1775 1 Hymns, German--Pennsylvania 1 Hymns, German--United States--Texts 1 Hymns--German--18th century 1 Illumination of books and manuscripts, German 1 Indexes 1 less ...