Kallenbach Residence, Berlin, 1921-1922: Entrance, elevation, section

Gouache on gray-green laid paper

Graphite and colored pencil on paper

Graphite on paper

Graphite on paper

Black marker on paper

Black and blue crayon on paper

Blue marker and white opaque watercolor on paper

Paper beneath inserted photocopies

Graphite on cream wove paper

Black pen and red marker on yellow ruled paper adhered to paper

Black marker on paper

Colored marker and black pen on paper