Untitled [Railroad Cars]; verso: Untitled ["Grey Wagon with Orange Rusty Tires"]

Charcoal on tracing paper

Watercolor and graphite on paper

Graphite on off-white wove paper

Brown ink and brown and gray wash over black chalk and graphite on cream antique laid paper, lined and drum mounted

Graphite on white wove paper

Black marker and pen and opaque watercolor on paper

Black ink over graphite on white paper; verso: heads in red chalk, sketch in graphite

Colored marker on paper

Colored marker on paper

Watercolor, black ink, and touches of graphite on off-white wove paper

Brown ink and brown wash over black chalk on white antique laid paper

Graphite on off-white wove paper