Competition Entry for School, Schwarzerden-Rhön, 1930: Basement plan, 1:200

Watercolor and crayon on off-white wove postcard

Ink on vellum

Colored marker on paper

Red marker and blue ink on paper

Colored marker on paper

Graphite and colored pencil on paper

Ink and wash on paper

Blue and black marker, orange paper, and adhesive on paper

Black pencil on paper

Black crayon on paper

Charcoal and colored chalk on paper

Graphite on white wove paper.