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

Ink with black and light green crayon on paper

Colored marker on paper

Blue, green and red crayon on paper

Black and colored crayon on off-white wove paper

Blue marker on paper

Graphite on envelope

Graphite on paper

Graphite on paper

Ink and colored pencil on paper

Colored marker and black pen on paper

Graphite with pink and blue crayon ; graphite with yellow crayon on paper

Ink with colored crayons on paper