Competition Entry for Central Court Building, Berlin, 1929-1930: Seventh, eighth, and ninth floor plans

Charcoal on tan wove paper

Graphite on paper

Graphite on off-white wove paper

Black and aqua marker on paper

Ink on paper

Graphite on paper

Acrylic(?), flame-treated on pigment-coated card

Ink and graphite on paper

Graphite on paper

Red, orange, and blue marker on paper

graphite and colored crayon on squared cream wove paper, mounted on pink wove paper

Black, blue, and olive crayon on paper