Competition Entry for Marie-von-Boschan- Aschrott Home of the Aged, Kassel, 1929-1930: Sketch of ground floor plan

Colored marker on paper

Black crayon on paper

Black marker on paper

Colored marker, stamped ink, blue pen, and adhesive tape on paper

Black marker on paper, color photograph, blue ink, and adhesive on paper

Graphite and ink on cream wove paper

Charcoal on paper

Black and red marker on paper

Graphite on paper

Silverpoint on prepared paper

Graphite on paper

Black and blue pen and colored marker on paper