Schuylkill Navigation: Celebrating 200 years
The Schuylkill Navigation: A Journey on the Historic Nineteenth Century Waterway
Thomas Gill Maps of the Schuylkill Navigation, 1827
Map Lovers’ Monday: AQUA, in the beginning
Schuylkill Navigation: Celebrating 200 years
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Map Lovers’ Monday: 1896 Suburban Transportation Map
Panoramic Manayunk: Views Past and Present