Competition Entry for Coeducational Vocational School, Berlin-Cöpenick, 1930: Basement plan (part), 1:200

Charcoal on cream laid paper

Graphite and colored crayons on cream laid paper

Black marker on paper

Colored marker and stamp ink on paper

Black crayon on paper

Black and colored crayon on off-white wove paper

Colored marker and black pen on paper

Colored marker on paper

Colored pencil on paper

Graphite on paper

Graphite on paper

Black crayon on paper