#PHL-36 (General Philadelphia): ID: 1576: Survey of city lines and grades in Penn Township, bounded by the Schuylkill River, Roxborough Township, Juniata Street to the north, Germantown Township to the west and Allegheny Avenue to the south (Near Hunting Park), 1841, 1576, Shelf: BR-37.1. Basement Recovery Drawings, FP.2017.002. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/17114 Accessed July 26, 2025.