The Boston Clipper, Lightning1854 · Watercolor on paper25.6 × 35.6 cm (10 1/8 × 14 1/16 in.)Art Institute of Chicago
Rocky Promontory with Ruins and Cascades (recto); Sketch of Cliff with Buildings (verso)1716 · Brush and gray wash over black chalk (recto) and black chalk (verso) on ivory laid paper21.5 × 23.3 cm (8 1/2 × 9 3/16 in.)Art Institute of Chicago