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

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

Graphite, black crayon, and white chalk on light brown paper

Transparent and opaque watercolor and graphite on tan paper

Black ink and gray wash on off-white paper

Black ink and gray wash

Black ink and white gouache

Black ink and gray wash

Graphite on off-white wove paper

Charcoal and white chalk, squared, on blue paper

Watercolor on off-white paper

Black and white chalk, squared, on blue wove paper

Brown ink, brown wash and graphite on cream wove paper with scraping and lifting