Studies from Gropius' Berlin Office: Basement plan, 1:100

Graphite on paper

Graphite and blue crayon on paper

Graphite on paper

Colored marker on paper

Black crayon, with purple crayon, on paper

Black ink on cardboard

Black crayon on paper

Colored crayons on paper

Black ink on cream laid paper, mounted on cream card

Gouache and ink over print of drawing on paper

Black and blue pen on paper, black and white photocopy, and adhesive on paper

Graphite and colored pencil on paper