Abstraction, Study for Harkness Commons Mural, Harvard University

Charcoal on white paper

Black and colored crayon

Watercolor on tracing paper

Watercolor and graphite on paper

Red and black pencil, watercolor and gilt on buff paper, oiled

Black crayon on buff paper

Charcoal on cream laid paper

Graphite and black crayon on cream wove paper

Gouache on white wove paper