Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Balcony: plan and sections, 1:10

Watercolor over graphite on buff wove paper

Charcoal and chalk on off-white wove paper

Black ink and wash on white wove paper

Beeswax, graphite, detritus and debris on wove paper

Black crayon on off-white wove paper

Gouache, graphite and colored pencil on off-white wove paper

Black ink on off-white wove paper

Watercolor on thin off-white wove paper

Graphite on darkened off-white tracing paper

Acrylic and gouache (?) and graphite on off-white handmade wove paper

Graphite on heavy buff card

Brown ink on thin off-white wove paper