Sheet of Studies1895 · Graphite, pen and brown ink, watercolor, and charcoal on paper27.5 × 38.5 cm (10 7/8 × 15 3/16 in.)Art Institute of Chicago
Study of Female Head (recto); Classical Male Head (verso)1885 · Brush and brown and gray wash, with black chalk, heightened with white chalk (recto), and black chalk (verso), on cream laid paper46.6 × 39.1 cm (18 3/8 × 15 7/16 in.)Art Institute of Chicago
Sketches: Profile Heads, Coins or Medals (recto); Trees (verso)1880 · Watercolor and graphite on cream laid paper24.4 × 34.4 cm (9 5/8 × 13 9/16 in.)Art Institute of Chicago