Portrait of Le Roi Marat1790 · Etching in black on ivory laid paperPlate: 12.5 × 9.5 cm (4 15/16 × 3 3/4 in.); Sheet: 13.3 × 12.1 cm (5 1/4 × 4 13/16 in.)Art Institute of Chicago
Portrait of Countess von Voss1780 · Watercolor on ivoryFramed: 5.5 × 4.4 cm (3 5/16 × 2 3/16 in.)Art Institute of Chicago
Portrait of a Woman1775 · watercolor on ivory in a gilt metal frameDiameter: 6.9 cm (2 11/16 in.); Diameter of frame: 9.3 cm (3 11/16 in.)Cleveland Museum of Art