Study of Rocks

Graphite on antique laid paper

Gray ink over graphite on off-white laid paper

Red chalk on cream antique laid paper

Graphite on cream wove paper

Brown ink and watercolor on off-white laid paper

Watercolor, gouache and black crayon on cream paper

Brown ink and brown wash over black chalk on white paper; verso: black chalk

Graphite on cream antique laid paper

Brown ink over graphite, incised, on blue laid paper