View of the City of Zürich from Present Day Seefeld

Graphite on paper with off-white coating

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

Black and white chalk on brown paper; two sheets joined

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

Graphite on brown wove paper

Watercolor and graphite on cream paper

Black ink and gray wash

Transparent and opaque watercolor and graphite on tan paper

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

Graphite

Charcoal and white chalk, squared, on blue paper

Black ink and white gouache