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

Graphite, transparent and opaque watercolor on cream wove paper prepared with wash; verso: graphite

Charcoal and white chalk, squared, on blue paper

Black ink and brown wash over graphite on cream paper

Brown ink, transparent and opaque watercolor, and black, white and red chalks on brown paper

Graphite on brown wove paper

Watercolor and graphite, squared in graphite, on cream wove paper

Watercolor and graphite on off-white wove paper; verso: graphite

Graphite

Brown ink and brown wash on cream wove paper

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