Photograph of an Oil Painting titled, “Delaware River,” by Gustavus Johann Grunewald (Removed to Box 22) , ca. 1860, gsm_0807. Wilkes University Archives.

Photograph of an Oil Painting titled, “Delaware River,” by Gustavus Johann Grunewald (Removed to Box 22) , ca. 1860, gsm_0807. Wilkes University Archives. https://archivepublic.wilkes.edu/repositories/2/digital_objects/7564 Accessed August 22, 2026.