Girl in a Wicker Chair1890 · Brush and watercolor, graphite on illustration board48.3 × 38.1 cm (19 × 15 in.)Cooper Hewitt, Smithsonian Design Museum
The Cave of Adullam1889 · Brush and black and grey watercolor, with graphite, on cream paper50.8 × 35.6 cm (20 × 14 in.)Cooper Hewitt, Smithsonian Design Museum