Cliff Landscape with Waterfall at Lake Walenstadt with a Traveler in the Foreground

Brown ink and brown wash on cream paper

Graphite, white gouache, and red watercolor on off-white paper

Graphite on brown wove paper

Graphite on off-white laid paper

Black and white chalk on brown paper; two sheets joined

Black chalk and pastel on brown paper

Gray ink, graphite, and gray wash on cream paper

Black ink and white gouache

Brown ink and brown wash on cream wove paper

Brown and black ink, brown wash over black chalk on off-white paper, laid down

Graphite on beige laid paper