"Haus Sonnenfang" Sanatorium, Berlin, 1931: First-fourth floor plan

oil and black colored pencil on white wove paper, mounted to white wove paper, in printed white wove paper folder

Colored marker on paper and translucent film

Graphite on off-white wove paper

Graphite on cream wove paper

Graphite on paper

Colored marker on paper

Colored marker and blue pen on paper

Colored marker and black pen on paper

Graphite on paper

Black and metallic marker on paper

Paper

Graphite on paper