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

Graphite and blue crayon on paper

Black and red marker on paper

Ink on off-white laid paper

Colored crayons on paper

Graphite on paper

Black and red marker on paper

Graphite, charcoal, and colored pencil over incised lines on tan cardstock

Graphite on paper

Ink with yellow, blue, and purple crayon on paper

Black ink on off-white laid paper

Graphite on paper

Black and red marker on paper