Competition Entry for Central Court Building, Berlin, 1929-1930: Second, fourth and sixth floor plans

Colored marker, blue pen, and adhesive label on paper

Graphite on paper

Graphite on back of letter

Black crayon on paper

Black marker and opaque watercolor on paper

Blue and black pen on paper

Black ink, b/w photocopy, and adhesive on paper

Graphite on paper

Oil and watercolor on paper with a chalk ground, mounted to card

Graphite and colored pencil on paper

Colored crayons on paper

Colored crayon on paper