"Haus Sonnenfang" Sanatorium, Berlin, 1931: South elevation, 1:500

Graphite on paper

Colored marker and stamp ink on paper

Black crayon on paper and mounted

Black pen on paper

Black crayon on paper

Paper

B/w photocopies and adhesive on sketchbook paper

Graphite on paper

Black ink on off-white wove paper, mounted to cream wove paper

Black, blue and yellow crayon ; black crayon on paper

Graphite and black chalk on tan wove paper

Black marker on paper