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

Graphite and brown paper collage on off-white card

Graphite on paper

Black crayon on paper

Black crayon on paper and mounted

Colored crayons on paper

Blue pen and red felt-tipped pen

Colored marker on paper

Black and red marker and black pen on paper

Black crayon on paper

Graphite on paper

Black and red marker on paper

Graphite on paper