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

Black and green crayon ; black crayon on paper

Graphite and watercolor on paper

Black and purple crayon on paper

Black and red marker on paper

Graphite on paper, mounted

Black and blue pen and colored marker on paper

Orange marker on paper

Black ink on off-white wove paper

Graphite on paper

Black and red marker on paper

Black marker on paper

Black crayon on paper