Study of Plant, Possibly Tufted Hairgrass1890 · nature studies, drawing — brush and oil on black paper35.6 × 27.9 cm (14 × 11 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Grass in Seed1890 · nature studies, drawing — brush and oil on black paper23.2 × 14 cm (9 1/8 × 5 1/2 in.)Cooper Hewitt, Smithsonian Design Museum
Study of an Autumn Bouquet1890 · nature studies, drawing — brush and oil on black paper33 × 25.1 cm (13 in. × 9 7/8 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Thistles1890 · nature studies, drawing — brush and oil on black paper35.2 × 26.8 cm (13 7/8 × 10 9/16 in.)Cooper Hewitt, Smithsonian Design Museum
Stuy of Maidenhair Fern, Trumpet Vine and Nasturtiumnature studies, drawing — brush and watercolor on paper56.4 × 38.7 cm (22 3/16 × 15 1/4 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Squash or Pumpkin Plantsnature studies, drawing — brush and watercolor, graphite on paper27.1 × 56 cm (10 11/16 × 22 1/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Dogwoodnature studies, drawing — pen and ink, graphite on tracing paper59.8 × 47.9 cm (23 9/16 × 18 7/8 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Squash Vinesnature studies, drawing — graphite, pen and ink on tracing paper48.3 × 59.8 cm (19 in. × 23 9/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Amaryllisesnature studies, drawing — pen and ink, brush and watercolor, graphite on tracing paper47.9 × 30.8 cm (18 7/8 × 12 1/8 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Cosmosnature studies, drawing — brush and watercolor on white paper37.9 × 27.5 cm (14 15/16 × 10 13/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Peony Stalk with Blossomsnature studies, drawing — brush and gouache, graphite on gray paper64.8 × 50 cm (25 1/2 × 19 11/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Clematis Vine with Blue Berriesnature studies, drawing — brush and watercolor on gray paper64.8 × 49.4 cm (25 1/2 × 19 7/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Poinsettiasnature studies, drawing — graphite, pen and ink on tracing paper47.6 × 60.5 cm (18 3/4 × 23 13/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Dahliasnature studies, drawing — brush and watercolor, graphite on white paper60.8 × 45.9 cm (23 15/16 × 18 1/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of a Linden Branchnature studies, drawing — brush and watercolor on paperSheet: 48 x 54 cm (18 7/8 x 21 1/4 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Red Poinsettiasnature studies, drawing — brush and watercolor, graphite on gray paper43 × 56.5 cm (16 15/16 × 22 1/4 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Fernnature studies, drawing — brush and watercolor on blue-green paper50.2 × 32.9 cm (19 3/4 × 12 15/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Wisteria Foliagenature studies, drawing — brush and watercolor on white tissue paper50.8 × 75.2 cm (20 in. × 29 5/8 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Pink Begonianature studies, drawing — brush and watercolor, gouache on gray paper38 x 56 cm (14 15/16 x 22 1/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Amaryllisesnature studies, drawing — brush and watercolor, graphite on gray, linen-textured paper52.1 × 32.1 cm (20 1/2 × 12 5/8 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Cornflowersnature studies, drawing — brush and watercolor on white paper35.4 × 29.4 cm (13 15/16 × 11 9/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Rosesnature studies, drawing — graphite, brush and ink, watercolor on tracing paper.46.2 × 58.3 cm (18 3/16 × 22 15/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Mallownature studies, drawing — brush and watercolor on white paper56.2 × 51.2 cm (22 1/8 × 20 3/16 in.)Cooper Hewitt, Smithsonian Design Museum
Study of Pansiesnature studies, drawing — brush and watercolor, graphite on white paper27.8 × 33 cm (10 15/16 in. × 13 in.)Cooper Hewitt, Smithsonian Design Museum