Studies of Quarry Workers and Architectural Sketches; verso: Quarry Workers

Graphite on paper

Watercolor over graphite on buff wove paper

Watercolor and graphite on white wove paper

Charcoal on paper

Red tempera on acetate

Sketchbook with blue- and black-fabric-covered cardboard covers

White and black conté crayon on tan cardboard

Watercolor on paper

Graphite and blue crayon on off-white wove paper

Ink and colage elements on paper

Black ink and gray wash on off-white wove paper

Graphite on paper