Architectural Studies, Lucerne

Brush and brown ink, charcoal(?), heightened with white gouache on brown paper

Watercolor, black ink and graphite on cream antique laid paper

Watercolor, black ink, graphite, and black chalk on off-white antique laid paper

Metalpoint on prepared paper

Watercolor on cream wove paper

Graphite on tracing paper

Graphite, white gouache, and watercolor on cream wove paper, darkened to brown; verso: graphite

Watercolor over black chalk on off-white wove paper

Graphite on off-white laid paper

Black ink, gray wash, and white gouache on blue wove paper

Watercolor, black ink and graphite on off-white paper