Buried Treasures No. 2: Williamson Bros. Company
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Map of Philadelphia Harbor, Delaware and Schuylkill, 1912
Roberts Mill, Wingohocking Creek, 1871
Old U. S. Navy Yard
Schuylkill River from below the South Street Bridge, 1873
Coal Depot, Richmond, on the Delaware (Picturesque America)
Schuylkill River from below the South Street Bridge, 1873
Buried Treasures No. 1: The Franklin Sugar Refinery
Map of Frankford Borough, 1845
