Plant and Insect Study: "Rock Breaker"; Polidamas Butterfly

Colored marker on paper

Black ink, gray wash and white opaque watercolor or chalk on blue paper

Colored marker on paper

Colored crayons on paper

Colored crayons ; graphite on paper

Brown wash and graphite on pale gray modern laid paper

Graphite on paper

Pen with black ink and gray wash on cream antique laid paper, laid down on cream antique laid paper, framing lines in brown ink

Black crayon over graphite, squared in graphite, on off-white antique laid paper; verso: graphite

Watercolor and white gouache on blue wove paper

Black ink on white wove paper

Brown ink and gray wash over black chalk on off-white antique laid paper