Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Plan and elevation

Graphite on off-white wove paper

Black ink and colored and black chalk on off-white wove paper

Green-black crayon and colored varnish on white wove Strathmore paper

Graphite and blue crayon on paper

Black conté crayon on ivory tracing paper

Colored chalk on off-white wove paper, set down to brown wove paper

Black ink on darkened off-white wove paper

Graphite on paper

Graphite and colored wax crayons with stumping on off-white wove paper edged with lavender paper on left and right sides

Graphite on cream wove paper

Black chalk and charcoal on off-white laid paper

Black ink on off-white wove paper