Photograph by Unknown, [no date] of an Engraving titled, “Delaware Water Gap,” by Robert Hinshelwood after Granville Perkins, no date, gsm_0819. Wilkes University Archives.

Photograph by Unknown, [no date] of an Engraving titled, “Delaware Water Gap,” by Robert Hinshelwood after Granville Perkins, no date, gsm_0819. Wilkes University Archives. https://archivepublic.wilkes.edu/repositories/2/digital_objects/7576 Accessed August 22, 2026.