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

Charcoal, partially stumped, on tan wove paper, with gritty coating

Graphite and colored pencil on paper

Black ink on white paper

Black marker on paper

Ink and wash on composite board

Red ink on creased paper

Graphite on paper

Black and metallic marker on paper

Black crayon on paper

Black marker on paper

Gouache and collage elements on paper

Colored crayons on paper