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

Black marker on paper

Graphite on paper

Black and metallic marker on paper

Black crayon on paper

Colored marker and black pen on paper

Blue pen on paper

Graphite on cream wove paper

Black and metallic marker, printed architectural drawing, paper, and adhesive on paper

Silverpoint

Graphite on paper

Colored marker on paper

Graphite on paper