Pencil sketch of the rock, known as the "Indian god", with petroglyphs, in Venango County, south of Franklin, Pennsylvania., Number 135, Funding provided by: Getty Foundation
Pencil sketch of the monument commemorating the signing of the 1692 treaty between William Penn and the Delaware Indians, in Kensington, Philadelphia, Pennsylvania., Number 103, Funding provided by: Getty Foundation
Pencil sketch of figures carved on the rock called "Indian god", in Venango County, south of Franklin, Pennsylvania., Number 136, Funding provided by: Getty Foundation
