Abstraction, Study for Harkness Commons Mural, Harvard University

Red and white chalk over traces of graphite on cream antique laid paper

Black ink on off-white wove paper

Graphite and black and brown wash on white wove paper; verso: watercolor and graphite

Red chalk on cream paper

Graphite and white gouache on tan wove paper

Black ink, red fiber-tip ink and watercolor on tan wove paper

Black ink, gray wash, and graphite on off-white laid paper; verso: graphite

Black ink on cream wove paper

Black and white chalk on brown wove paper