Frankford Creek: Sad History of an Urban Stream title page
Second Street North from Market St. with Christ Church, Philadelphia
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)
Pegg’s Run, Northern Liberties (Watson’s Annals)