Image:1048.jpg|Henry Wadsworth Longfellow, Sketch of the Grounds of the Longfellow Estate, 1844.
Image:1108.jpg|N. Vautin, View of North Side (Rear) of Longfellow House, June 1845.
Image:1102.jpg|F. F. Judd (artist), E.B. and E.C. Kellogg (lithographers), "Retreat for the Insane, Hartford, Connecticut," in ''Twenty-Second Annual Report of the Officers of the Retreat for the Insane at Hartford, Connecticut'' (1846), p. 314.
Changes - History of Early American Landscape Design