Competition Entry for "Growing House" for "Sun, Air, and House for All" Exhibition, Berlin, 1932: Perspective sketch

Black marker and tape on paper

Graphite on paper

Black and red marker and black pen on paper

Charcoal on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Brown ink on off-white laid paper

Purple crayon on paper

Black marker and pen on paper

Colored marker on paper

Charcoal on paper