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

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

Black and brown ink, brown and gray wash, over black chalk on off white antique laid paper, laid down on off-white antique laid paper

Graphite and black crayon on off-white antique laid paper; verso: black crayon

Black ink on tracing paper, laid down

Black ink on darkened tracing paper, mounted to laid paper

Red and black chalk on light tan antique laid paper, laid down on a decorated mount

Black ink, watercolor and graphite on cream wove paper

Graphite on tracing paper, laid down

Black chalk counterproof on white wove paper

Brown ink and gray wash with traces of white gouache on blue laid paper, with framing lines in brown ink, laid down on blue laid paper

Brown ink on cream modern laid paper

Black chalk on off-white paper