Drive along the Wissahickon Creek Vallley (Picturesque America)
Map Lovers’ Monday: 1896 Suburban Transportation Map
Early visions of Philadelphia’s airport
Report on channelization of Frankford Creek for flood control (1947)
Cobbs Creek in the Days of the Old Powder Mill
Lighthouses along the Delaware, 1913
Visionary planning report for Philadelphia region, 1928
Panoramic Manayunk: Views Past and Present
James W. Phillips Letter Book, 1904-1913
Schuylkill Navigation Company Scrapbook
