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

Colored marker and black pen on paper

Graphite on cream wovepaper

Colored crayon on paper

Colored crayons ; black crayon on paper

Colored marker and black pen on paper

Graphite and colored pencils on paper

Black marker on paper

Black crayon or charcoal on paper

Graphite and colored marker on paper

Graphite on back of envelope

graphite, colored pencil, watercolor, gouache, and black ink on tan wove paper, incised

Purple crayon on paper