Map Lovers’ Monday: New Jersey 1869
Map Lovers’ Monday: On the Waterfront
Map Lovers’ Monday: Topography of Philadelphia from 1863
Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
Sandy Run Watershed and the Holmesburg Water Works
Birch’s Views of Philadelphia, 1800
Map Lover’s Monday: Fairmount Park, 1869
Roberts Mill, Wingohocking Creek, 1871
Fairmount Park topographical map, showing East Park Reservoir, 1872
Dripps map of Frankford and vicinity, 1849