Sarah Goldberg, House Divided Project at Dickinson College
Cropped, sized, and prepared for use by John Osborne, Dickinson College, December 8, 2016.
Archives and Special Collections, Dickinson College, Carlisle, Pennsylvania
Harper's Weekly Magazine, June 1, 1867, p. 338.
Cropped and enlarged from the fuller, larger, zoomable image, also available here.