Publishers Library of Congress

Map of Philadelphia showing Population in year 1920

Map of Philadelphia showing Population in year 1920

By a draft of Foxhall & Morris purchase : [Philadelphia] April 1, 1802

Map of the County of Philadelphia from Actual Survey, 1839 (la000784a)

Map of the County of Philadelphia from Actual Survey, 1843

Outline Map of the County and City of Philadelphia and Vicinity (wd000516)

Outline Map of the County and City of Philadelphia and Vicinity, 1883

Philadelphia the Manufacturing and Industrial Capital map, 1906

Upper Ferry Bridge over the Schuylkill (Graff09.03)

Upper Ferry Bridge, 1820

Upper Darby map, G.M. Hopkins 1877

Upper Darby map, 1877