"Haus Sonnenfang" Sanatorium, Berlin, 1931: Sketch of perspectives and plans

Black marker, blue ink, paper, and adhesive on paper

Black and colored crayons on paper

Colored marker and adhesive on paper

Graphite on paper

Red-brown crayon on paper

Colored crayons on paper and mounted

Colored marker on paper

Black crayon on paper

Graphite and colored pencils on paper

Ink on paper

Graphite on off-white wove paper

Graphite on paper