William Burch engraving of the Pennsylvania State House, Philadelphia, 1799
Students, Farmers’ High School of Pennsylvania, 1859
Student body of Carlisle Indian School, 1885
Pennsylvania Hall Fire, 1838. This building was burned by a mob for having women and African-Americans speaking advocating for women’s suffrage and abolitionism.
Juliann Jane Tillman, preacher of A.M.E. Church, Philadelphia, 1844
Flooded streets, Pittsburgh, 1907
Pittsburgh and its smog, 1940