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

Colored crayons on paper

Black marker on paper

Black marker on paper

Black crayon on paper

Purple marker on paper

Graphite and blue pen on paper

Graphite on paper

Blue marker and black pen on paper

Graphite and charcoal on paper

Black and gray marker on paper

Ink on on blotter paper

Watercolor, black ink, and traces of graphite on cream wove paper