Competition Entry for Coeducational Vocational School, Berlin-Cöpenick, 1930: Plan detail, 1:200

Black marker on paper

Reddish brown fiber-tip ink on paper

Black and gray marker on paper

Black marker, blue ink, and red ink on paper

Graphite on paper

Blue pen on paper

Blue pen and colored marker on paper

Colored marker and black pen on paper

Colored marker on paper

Colored crayons on paper

Graphite on paper

Colored marker and black pen on paper