Adoption--Pennsylvania--19th and 20th centuries 1 African Americans--History--Child Welfare--19th and 20th centuries 1 Child Welfare-Philadelphia 1 Coal Industry--19th century 1 Coal Industry--20th century 1 Coal mines and mining--Pennsylvania 1 Coal mines and mining--West Virginia--20th century 1 more ... Costs (Law) 1 Court records--New Jersey--18th century 1 Court records--Pennsylvania--18th century 1 Family life--Pennsylvania--20th century 1 Family life--Personal correspondence--20th century 1 Family life--Upper Class--18th century 1 Land Settlements--New Jersey 1 Land Settlements--Pennsylvania 1 Law offices--Records and correspondence 1 Legal Proceedings 1 Local transit--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 Orphanages--Pennsylvania--19th and 20th centuries 1 Pennsylvania--Politics and government--19th century 1 Philadelphia (Pa.)--Newspapers 1 Photographs--Street scenes 1 Railroads 1 Railroads--Management 1 Sheriffs--Pennsylvania--18th century Sheriffs--Pennsylvania--18th century 1 Taxation--Pennsylvania 1 Transportation 1 less ...