Portrait of Charles-Marie de la Condamine (1701-1774)

Brown ink on off-white laid paper

Graphite on greenish-gray wove paper

Black crayon, squared in black crayon, on off-white antique laid paper

Graphite on cream laid paper

Brown-black ink on beige modern laid paper

Graphite, gouache, and watercolor on white wove paper

Black ink on tracing paper, darkened and mounted to laid paper

Brown ink over black chalk, incised, on cream wove paper

Black chalk heightened with white chalk on gray paper

Graphite on dark cream laid paper, laid down to off-white wove paper (platemark on secondary support)

Graphite on off-white wove paper

Oil on paper-covered board