Raphael Louis Charles Diligent

1745 · Red chalk on cream laid paper, laid down on cream wove paper

48.1 × 33.5 cm (18 15/16 × 13 1/4 in.)

Art Institute of Chicago

1700 · Red chalk, with traces of graphite, on cream laid paper

23.7 × 17.6 cm (9 3/8 × 6 15/16 in.)

Art Institute of Chicago

1600 · Black chalk on tan laid paper, edge mounted on buff laid paper

43.2 × 28 cm (17 1/16 × 11 1/16 in.)

Art Institute of Chicago

1518 · Black chalk, heightened with white chalk and lead white, partially oxidized, over stylus underdrawing, on cream laid paper

28.6 × 19.7 cm (11 5/16 × 7 13/16 in.)

Art Institute of Chicago