View of the City of Zürich from Present Day Seefeld

Black and brown ink on cream wove paper

Graphite, white opaque watercolor, and oil [?] on brown paper

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

Transparent watercolor and graphite on off-white wove paper

Black crayon with scratchwork on prepared paper mounted to paper board

Graphite

Black ink and brown wash over graphite on cream paper

Transparent watercolor and graphite on cream wove paper; verso, graphite

Watercolor on paper

Charcoal and colored chalk on brown paper

Black chalk and pastel on brown paper