Competition Entry for Marie-von-Boschan- Aschrott Home of the Aged, Kassel, 1929-1930: Isometric sketch

Blue and black marker on paper

Black marker on paper

Graphite on paper

Black crayon on paper

Graphite and red pencil on paper

Graphite on paper

Black ink on translucent vellum paper

Black crayon on paper

Graphite on paper

Colored marker and black pen on paper

Black and red marker on paper

Black and colored crayons on paper