River with Mountains in the Background

Graphite on paper

Charcoal on paper

Black ink over graphite on white wove paper

Ink on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Red chalk on oiled antique laid paper

Red and black chalk on cream paper

Ink on paper

Black and colored crayons on paper

Brown ink over graphite on cream wove paper

Graphite on off-white wove paper

Black and white chalk on blue-gray wove paper