Studies from Gropius' Berlin Office: Entrance elevation, 1:100

Black crayon on paper

Black ink on paper

Black and red marker and black pen on paper

Graphite on tan wove paper

Black marker on paper

Blue and black crayon on brown wove paper

Black marker, black ink, and opaque watercolor on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Colored marker and purple pen on paper

Black marker on paper