Competition Entry for Marie-von-Boschan- Aschrott Home of the Aged, Kassel, 1929-1930: Sketch of partial isometric

Black crayon on paper

Paper

Black and red marker on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Graphite and red crayon on paper

Graphite and colored pencil on paper

Blue marker and black pen on paper

Black ink and red chalk over graphite on off-white wove paper

Black pen on paper

Black crayon on cream wove paper