Map Lovers’ Monday: Philadelphia in 1957, according to the Pennsy
Coal Depot, Richmond, on the Delaware (Picturesque America)
Map Lovers’ Monday: 1896 Suburban Transportation Map
Early photographs of Fairmount and vicinity, 1848
Early visions of Philadelphia’s airport
Frankford Creek Watershed Historical Timeline
Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
Newspaper Clipping Scrapbooks of Frederic Graff Jr.,Chief Engineer of the Philadelphia Water Department: Part 1, 1854-1857
Newspaper Clipping Scrapbooks of Frederick Graff Jr., Chief Engineer of the Philadelphia Water Department. Part 2: 1858-1871
Cobbs Creek in the Days of the Old Powder Mill