Streams, islands, and ferries of early Philadelphia
Archival Storytelling: A snowy Super Bowl Sunday at Sydenham & Dauphin
19th century life in South Philadelphia’s marshland
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
View of Fairmount Water Works, ca. 1827
Plan of Lemon Hill and Sedgley Park, Fairmount and Adjoining Property, 1851
Penn’s Treaty with the Indians (Watson’s Annals)