Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street Draw, southeast corner property, June 12, 1896
Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail of people].
Plan of the City of Philadelphia and Adjoining Districts, 1830
Map of Philadelphia showing Population in year 1920
Map of the County of Philadelphia from Actual Survey, 1843
Philadelphia the Manufacturing and Industrial Capital map, 1906
1779 Revolutionary War-era map of Philadelphia and environs
Centennial Exhibition situation plan, 1876
New Mill House at Fairmount
