Census, 1800 2 Census, 2d, 1800 2 Census 1 Civil service reform--United States 1 Coal Industry--19th century 1 Coal Industry--20th century 1 Coal mines and mining--Pennsylvania 1 more ... Coal mines and mining--West Virginia--20th century 1 Copper mines and mining--Pennsylvania 1 Deaf and dumb institutions (Philadelphia, Pa.) 1 Eastern State Penitentiary (Philadelphia, Pa.) 1 Family life--Pennsylvania--20th century 1 Family life--Personal correspondence--20th century 1 Federal aid to Indians--United States 1 Indexes 1 Indians of North America--Economic conditions 1 Indians of North America--Education 1 Indians of North America--Government relations--1869-1934 1 Indians of North America--Government relations--1940-1950 1 Indians of North America--Government relations--1960-1970 1 Indians of North America--Government relations--1970-1980 1 Indians of North America--Politics and government--United States 1 Indians of North America--Public welfare 1 Indians of North America--Research--United States--Handbooks, manuals, etc 1 Indians of North America--Services for--Finance 1 Indians of North America--Social conditions 1 Indians of North America--Societies, etc 1 Indians, Treatment of--North America 1 Indians, Treatment of--United States 1 Indians, Treatment of--United States--History--19th century 1 Indians, Treatment of--United States--History--20th century 1 Irish Americans 1 Merchants--Pennsylvania--Philadelphia--19th century 1 Meteorology--Observations 1 Newspapers--Pennsylvania--Philadelphia 1 Newspapers--Pennsylvania--Philadelphia--20th century 1 Philadelphia (Pa.)--Newspapers 1 Photographs--Street scenes 1 Quakers--Pennsylvania--18th century 1 Quakers--Philadelphia--19th century 1 less ...