Competition Entry for Coeducational Vocational School, Berlin-Cöpenick, 1930: Second floor plan, 1:200

Graphite on paper

Ink, graphite, and wash on paper

Black ink on tan wove paper

Black crayon on paper

Light brown paper, black crayon, and adhesive on sketchbook paper

Black and red inks on brown wove paper

Black and metallic marker on paper

Graphite on off-white wove paper

Chemically manipulated photo-sensitive paper with ink and scratching out

Graphite on paper

Colored marker on paper

Graphite and watercolor on paper