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

Colored marker on paper

Collage: white masking tape, clear pressure-sensitive tape, and graphite on off-white wove paper

Colored marker and tape residue on paper

Black ink on white laid paper

Black crayon on paper

Graphite on paper

Graphite and watercolor on paper

Ink on paper

Ink and graphite on paper

Black marker on paper

Mixed media

Graphite on paper with irregular right and bottom edge